yán​zhèn​yǐ​dài

to be in combat readiness

严阵以待 嚴陣以待 yán​zhèn​yǐ​dài
to be in combat readiness
To stand ready in battle formation; more generally, to be fully prepared to meet a major challenge or incoming attack.

Frequency

Movie subtitles
1.28 per million appears in 1% of films
Written text
1.19 per million

Sources