Translation Japanese English: 口の堅い
Dictionary: main口の堅い形容詞 airless,
cheeseparing,
close,
close-fitting,
closelipped,
closemouthed,
confining,
faithful,
near,
nigh,
penny-pinching,
secretive,
skinny,
snug,
stuffy,
tight,
tightlipped,
unaired.
