have a trick of doing somethingHABIT 习惯 USUALLY British EnglishBrE to have a habit of using a particular expression or of moving your face or body in a particular way 有做某事的习惯〔指经常有某种表情或某种动作〕 She had this trick of raising her eyebrows at the end of a question. 她有一个习惯,每次提问完了总要扬一下眉毛。
have a trick of doing something• But the agents have tricks of their own.
→ have a trick of doing something at trick1(6)