水底捞针

水底撈針
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 捞 lāo
  1. to fish up
  2. to dredge up
=3 针 zhēn
  1. needle
  2. pin
  3. injection
  4. stitch

classifiers: 根, 支
=3 针 zhēn variant of 针 zhēn, needle