Word

口径食

こうけいしょく
vignetting
Word

口茶

くちぢゃ
adding more tea; adding fresh leaves to used ones in a teapot
Word

口径比

こうけいひ
aperture ratio (inverse of the f-number); relative aperture
Word

口叩き

くちたたき
talking a lot; talkative person
Word

口撃

こうげき
verbal attack
Word

口先三寸

くちさきさんずん
glib tongue; eloquence or flattery designed to deceive
Word

硬口蓋音

こうこうがいおん
palatal
Word

口の減らない

くちのへらない
always having a comeback (often used derogatorily); fast-talking
Word

口の堅い

口のかたい
くちのかたい
tight-lipped; able to keep a secret
Word

口が過ぎる

くちがすぎる
to say something better left unsaid; to go too far (by saying something rude)