老鼠拉龟，无从下手

老鼠拉龜，無從下手
lǎoshǔlāguī,wúcóngxiàshǒu
  1. like mice trying to pull a turtle, nowhere to get a hand grip (idiom)
  2. no clue where to start

CEDICT

Entry Composition

1 老鼠拉龟 lǎoshǔlāguī
  1. (originally Cantonese, figurative) to have no clue about how to handle a problem
  2. to have no clue about how to handle a problem
2 无从下手 wúcóngxiàshǒu not know where to start