xīng​shī​dòng​zhòng

to muster large forces

兴师动众 興師動眾 xīng​shī​dòng​zhòng
to muster large forces
to mobilize a massive army for a military campaign
to involve many people
to drag in a great number of people to perform a task (often implying the effort is excessive or unnecessary)

Frequency

Movie subtitles
0.390 per million appears in 0% of films
Written text
0.467 per million

Sources