四兩撥千斤
simp四两拨千斤also written四両撥千斤sei3 loeng2 but3 cin1 gan1sei3 loeng2 but6 cin1 gan1sì liǎng bō qiān jīn
English
- (lit.) four ounces can move a thousand catties (idiom)
- (fig.) to achieve much with little effort
Sources: cc-cedict, rime-cantonese, words.hk