口が堅い tight-lipped; able to keep a secret
口が堅い – tight-lipped; able to keep a secret; lips are sealed
口が堅い
- kuchi ga katai
- tight-lipped; able to keep a secret; lips are sealed
- 彼は、口が堅いので、秘密を話しても大丈夫だ。
-
kare wa, kuchi ga katai node, himitsu wo hanashitemo daijoubu da.
- He is pretty tight-lipped, so even telling him secrets is fine.
Vocabulary
- 彼kare — he
- は wa — (the topic marker–sets “he” as the main topic of the sentence.)
- ので node — therefore; because
- 秘密 himitsu — secret
- 話しても hanashitemo — even if (you) speak
- 大丈夫 daijoubu — OK; fine

