1.
mouth
The opening in the face used for eating and speaking.
He is a person who can keep secrets, so it's okay to tell him secrets.
口が堅い = tight-lipped
After running, my mouth gets dry and I get thirsty, so I drink a lot of water.
Related Words
Related:
顔 (face)
Related:
目 (eye)
Related:
耳 (ear)
Related:
唇 (lip, lips)
Related:
歯茎 (gum (of the mouth))
Compare:
下唇 (the lower lip)