水底撈針

水底捞针
shuǐdǐlāozhēn

synonym of 大海撈針 /大海捞针 (dàhǎilāozhēn)

Wiktionary

Entry Composition

1 水底 shuǐdǐ the bottom of a body of water
2 撈 lāo
  1. to fish up
  2. to dredge up
3 針 zhēn
  1. needle
  2. pin
  3. injection
  4. stitch

classifiers: 根, 支