挑三拣四

挑三揀四
tiāosānjiǎnsì
  1. to be picky
  2. to be choosy

CEDICT

对事物反覆拣选，挑剔甚苛。

重編國語辭典

对事物反覆挑选，形容极为挑剔

維基詞典

Entry Composition

1 挑 tiāo
  1. to carry on a shoulder pole
  2. to choose
  3. to pick
  4. to nitpick
2 三 sān
  1. three
  2. 3
3 拣 jiǎn
  1. to choose
  2. to pick
  3. to sort out
  4. to pick up
4 四 sì
  1. four
  2. 4

Related entries

择食 zéshí to be picky (food)
拣饮择食 jiǎnyǐnzéshí
  1. to choose one's food carefully
  2. to be picky