四两拨千斤
sì​liǎng​bō​qiān​jīn

to achieve much with little effort

  1. 四 sì numeral
    four
    the number four; complex form used for financial purposes is 肆 sì
  2. 两 兩 liǎng
    liang
    unit of weight equal to 50 grams in the modern market system, or 1/16 of a 斤 jīn (catty) in the traditional system
  3. 拨 撥 bō verb
    to move, dial, or set
    to move, stir, or poke with a hand, foot, or tool; to dial a phone or set a clock
  4. 千斤 qiān​jīn
    one thousand catties
    One thousand catties, a unit of weight; used to describe something extremely heavy or a weighty responsibility