口が酸っぱくなる

くちがすっぱくなる

to say the same thing over and over again, to talk until one is blue in the face

口を酸っぱくして言う

くちをすっぱくしていう

to say time and time again, to say till you're blue in the face

酸っぱい

すっぱい

sour, acid

酸っぱみ

すっぱみ

sourness (in taste); acidity

口を糊する

くちをのりする

to eke out a living, to barely manage to get by

甘酸っぱい

あまずっぱい

sweet and sour, bittersweet

すっぱ抜く

すっぱぬく

to expose, to disclose, to unmask

口をきく

to speak; to talk

口を利く

くちをきく

to speak, to utter

口を開く

くちをひらく

to open one's mouth (to talk)

ぱくぱく

flapping open and closed (e.g. mouth)

口を切る

くちをきる

to be the first to speak; to break the silence

口を割る

くちをわる くちをわれる

to confess, to speak out, to disclose, to tell

口を出す

くちをだす

to interrupt a conversation

ぱくっと

(gaping) widely

ぱぱぱっと

quickly, briefly

すぱっと

completely (quitting, etc.), entirely, thoroughly, totally, wholly, without hesitation

すっぱり

すぱり

completely (quitting, etc.), entirely, thoroughly, totally, wholly, without hesitation

あっぱっぱ

アッパッパ あっぱっぱ

loose-fitting summer dress