撒網捕風 sā wǎng bǔ fēng

DEFINITIONS

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

CHARACTERS

撒 sā release, cast away, let go; disperse; relax
網 wǎng net, web; network
捕 bǔ arrest, catch, seize
風 fēng wind; air; manners, atmosphere