at the peak of activity or excitement
在活动或兴奋的巅峰 (zai huodong huo xingfen de dianfeng)
"The party was in full swing when we arrived."
"当我们到达时，派对正如火如荼。" (Dang women daoda shi, paidui zheng ru huo ru tu.)
a moment of sudden discovery or realization
to prepare the body or mind for activity
to develop romantic feelings for someone
the complete truth without leaving anything out
to perform extremely well on an exam or task
to support opposing parties to gain advantage
