act on片語動詞KK [ækt ɑn] /ækt ɑn/發音片語動詞1按…行事、依照…採取行動、根據…辦理The police acted on a tip from a neighbor and searched the house.警方根據鄰居提供的線報採取行動,搜查了那棟房子。2處理、著手解決The company has still not acted on our complaint.公司至今仍未處理我們的投訴。3作用於、對…起作用The drug acts on the part of the brain that controls appetite.這種藥物作用於大腦中控制食慾的部位。4出於…而行動、憑…行事He acted on impulse and quit his job that afternoon.他一時衝動,當天下午就辭了職。