(mahjong) winning off the final discard before reaching the dead wall, worth 1 翻 (han, “double”)

kill two birds with one stone, do one task and finish two or more goals (literally, “one stone, two birds”)

(obsolete) being surprised twice / (obsolete) more specifically, describes the appearance of a woman who has a beautiful figure from behind but has an ugly face

(mineralogy) ulexite

(mineralogy) clinozoisite

(mineralogy) clinozoisite

Great works are performed by perseverance.

(figuratively) being carefree and unaware of an imminent danger

(figuratively) larger-than-life characters do not associate with unnoteworthy characters, nor do they concern themselves with trivial matters / (literally) boat-swallowing fish do not swim in tributaries