撒网捕风

撒網捕風
sāwǎngbǔfēng
  1. lit. the wind cannot be caught in a net
  2. to waste one's effort (idiom)

CEDICT

Entry Composition

1 撒网 sāwǎng to throw a net
2 捕 bǔ to catch; to seize; to capture
3 风 fēng
  1. wind
  2. news
  3. style
  4. custom
  5. manner

classifiers: 陣, 絲