口堅い

くちがたい

discreet, tight-lipped

口の堅い

くちのかたい

tight-lipped, able to keep a secret

堅

けん

strength, solidity, firmness

口が悪い

くちがわるい

sarcastic, having a sharp tongue, having a sharp nasty tongue

口が多い

くちがおおい

talkative, loquacious, garrulous, voluble

口が重い

くちがおもい

incommunicative, taciturn

口が軽い

くちがかるい

having a loose tongue, being talkative, speaking without thinking, being unable to keep a secret

口が臭い

くちがくさい

having bad breath; having halitosis

物堅い

ものがたい

honest, upright, faithful, reliable

手堅い

てがたい

steady, firm, solid, secure

底堅い

そこがたい

stable (market) after having bottomed out

堅い女

かたいおんな

chaste woman

お堅い

おかたい

prudish; strait-laced; boring; square

堅牢堅固

けんろうけんご

firm and solid, stout and durable

口がうまい

くちがうまい

honeymouthed, glib, fair-spoken, cajoling, talking glibly

口さがない

くちさがない

gossipy; abusive; critical; jabbering

口が寂しい

くちがさみしい

craving for food, a cigarette, etc.; longing to have something in one's mouth

口数が多い

くちかずがおおい こうすうがおおい

talkative

がま口

(coin) purse with a metal clasp