興師動眾

兴师动众
xīngshīdòngzhòng
  1. to muster large forces
  2. to get a great number of people involved (in carrying out some task)

CEDICT

to mobilize a large number of people

Wiktionary

動員眾多人力。《吳子．勵士》：「夫發號布令，而人樂聞；興師動眾，而人樂戰。」《紅樓夢．第四七回》：「今兒偶然吃了一次虧，媽就這樣興師動眾，倚著親戚之勢，欺壓常人。」也作「勞師動眾」、「起兵動眾」、「起師動眾」、「興兵動眾」、「行軍動眾」、「行師動眾」。

重編國語辭典

Entry Composition

1 興師 xīngshī
  1. to dispatch troops
  2. to send an army
  3. to mobilize forces
2 動 dòng
  1. (of sth) to move
  2. to set in movement
  3. to displace
  4. to touch
  5. to make use of
  6. to stir (emotions)
  7. to alter
  8. abbr. for 動詞 dòngcí, verb
3 眾 zhòng
  1. (bound form) crowd; multitude
  2. (bound form) many; numerous