倾巢而出

Explanation: Pour: Pour; nest: the nest. Metaphor of the enemy troops were deployed all intrusive. 　　Usage: Partial official; as predicate; containing derogatory 　　Source: Ming Shinai "Water Margin": "Zeibing Qingchao come servant must be a hilarious fight, I will beat any policy?" 　　Examples: People who do not usually go out, these two days are also ~. (Liang "Cao" Chapter XII) Thesaurus:  spare no effort; go all out; do one's best, body and soul, exert, From all over the town Out, go full steam ahead