diff --git a/cli/translate.py b/cli/translate.py
new file mode 100644
index 0000000..63923de
--- /dev/null
+++ b/cli/translate.py
@@ -0,0 +1,48 @@
+import asyncio
+import click
+
+from greek_lang.container import init_main_container
+from greek_lang.languages import LanguageEnum
+from greek_lang.translator import translate
+
+
+async def _translate(word: str, source_code: str, target_code: str) -> None:
+    try:
+        source_lang = LanguageEnum(source_code.lower())
+        target_lang = LanguageEnum(target_code.lower())
+    except KeyError as exc:
+        raise click.BadParameter(f"Unsupported language code: {exc.args[0]}") from exc
+
+    async with init_main_container():
+        result = await translate(word, source_lang, target_lang=target_lang)
+
+    click.echo(result)
+
+
+@click.command(help="Перевод слова между языками библиотеки greek_lang.")
+@click.argument("word")
+@click.option(
+    "-s",
+    "--source",
+    "source_code",
+    default="el",
+    show_default=True,
+    type=click.Choice([lang.name for lang in LanguageEnum], case_sensitive=False),
+    help="Код исходного языка (ISO-639-1, как в LanguageEnum).",
+)
+@click.option(
+    "-t",
+    "--target",
+    "target_code",
+    default="ru",
+    show_default=True,
+    type=click.Choice([lang.name for lang in LanguageEnum], case_sensitive=False),
+    help="Код языка перевода (ISO-639-1, как в LanguageEnum).",
+)
+def cli(word: str, source_code: str, target_code: str) -> None:
+    """Обёртка, которая запускает асинхронный перевод через asyncio."""
+    asyncio.run(_translate(word, source_code, target_code))
+
+
+if __name__ == "__main__":
+    cli()
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 40ec3b8..937a11e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,7 @@ dependencies = [
     "aiogtts>=1.1.1",
     "alembic>=1.16.1",
     "asyncpg>=0.30.0",
+    "click>=8.2.1",
     "dependency-injector>=4.47.1",
     "greenlet>=3.2.3",
     "openai>=1.84.0",
diff --git a/src/greek_lang/glossaries/models.py b/src/greek_lang/glossaries/models.py
index 7b8a7fd..fb24624 100644
--- a/src/greek_lang/glossaries/models.py
+++ b/src/greek_lang/glossaries/models.py
@@ -37,7 +37,7 @@ class GlossaryWord(Base):
     term: Mapped[str] = mapped_column(
         Text(),
         nullable=False,
-        unique=True,
+        unique=False,
     )
     language: Mapped[LanguageEnum] = mapped_column(
         Enum(LanguageEnum, native_enum=False),
@@ -98,7 +98,7 @@ class GlossaryWord(Base):
 
     def __repr__(self) -> str:
         return (
-            f"<GlossaryWord(id={self.id}, term='{self.term}', language='{self.language.value}', "
+            f"<GlossaryWord(id={self.id}, term='{self.term}', language='{self.language}', "
             f"translation='{self.translation}', transcription='{self.transcription}', "
             f"lexical_category='{self.lexical_category}', meaning_category='{self.meaning_category}')>"
         )
diff --git a/src/greek_lang/openai_manager/manager.py b/src/greek_lang/openai_manager/manager.py
index 506978d..2bce216 100644
--- a/src/greek_lang/openai_manager/manager.py
+++ b/src/greek_lang/openai_manager/manager.py
@@ -25,7 +25,7 @@ class WordInfo(pydantic.BaseModel):
     )
     description: str = pydantic.Field(
         ...,
-        description="lemma description in {target_language}",
+        description="description in {target_language}",
     )
     part_of_speech: str = pydantic.Field(
         ...,
diff --git a/src/greek_lang/openai_manager/models.py b/src/greek_lang/openai_manager/models.py
index 418b24a..ec6dd9d 100644
--- a/src/greek_lang/openai_manager/models.py
+++ b/src/greek_lang/openai_manager/models.py
@@ -40,7 +40,7 @@ class OpenAiTokenUsage(Base):
     )
     response_fingerprint: Mapped[str] = mapped_column(
         Text(),
-        nullable=False,
+        nullable=True,
         index=True,
     )
     completion_tokens: Mapped[int] = mapped_column(
diff --git a/uv.lock b/uv.lock
index d310a91..cee55db 100644
--- a/uv.lock
+++ b/uv.lock
@@ -177,6 +177,18 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/c5/55/51844dd50c4fc7a33b653bfaba4c2456f06955289ca770a5dbd5fd267374/cfgv-3.4.0-py2.py3-none-any.whl", hash = "sha256:b7265b1f29fd3316bfcd2b330d63d024f2bfd8bcb8b0272f8e19a504856c48f9", size = 7249, upload-time = "2023-08-12T20:38:16.269Z" },
 ]
 
+[[package]]
+name = "click"
+version = "8.2.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "colorama", marker = "sys_platform == 'win32'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/60/6c/8ca2efa64cf75a977a0d7fac081354553ebe483345c734fb6b6515d96bbc/click-8.2.1.tar.gz", hash = "sha256:27c491cc05d968d271d5a1db13e3b5a184636d9d930f148c50b038f0d0646202", size = 286342, upload-time = "2025-05-20T23:19:49.832Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/85/32/10bb5764d90a8eee674e9dc6f4db6a0ab47c8c4d0d83c27f7c39ac415a4d/click-8.2.1-py3-none-any.whl", hash = "sha256:61a3265b914e850b85317d0b3109c7f8cd35a670f963866005d6ef1d5175a12b", size = 102215, upload-time = "2025-05-20T23:19:47.796Z" },
+]
+
 [[package]]
 name = "colorama"
 version = "0.4.6"
@@ -297,6 +309,7 @@ dependencies = [
     { name = "aiogtts" },
     { name = "alembic" },
     { name = "asyncpg" },
+    { name = "click" },
     { name = "dependency-injector" },
     { name = "greenlet" },
     { name = "openai" },
@@ -322,6 +335,7 @@ requires-dist = [
     { name = "aiogtts", specifier = ">=1.1.1" },
     { name = "alembic", specifier = ">=1.16.1" },
     { name = "asyncpg", specifier = ">=0.30.0" },
+    { name = "click", specifier = ">=8.2.1" },
     { name = "dependency-injector", specifier = ">=4.47.1" },
     { name = "greenlet", specifier = ">=3.2.3" },
     { name = "openai", specifier = ">=1.84.0" },