in the act片语KK [ɪn ðə ækt] /ɪn ðə ækt/发音片语1当场、正在作案时The thief was caught in the act by a security guard.那名小偷被保安当场抓住。2正当…之际、正在…的时候She was in the act of locking the door when the phone rang.她正要锁门的时候,电话响了。用这个字练口说→