know a trick or two

• v. 机灵；精明

know a trick or two的用法和样例：

例句

用作动词 (v.)

1. He's not a damn genius or an athlete like Andy.
   他同安迪不一样，不是个运动员底子，也没天生的机灵劲儿。
2. Judith is a sprightly young woman.
   朱迪思是个机灵的姑娘。
3. Her brother is a shrewd businessman.
   她兄弟是个精明的生意人。
4. He's a streetsmart young hairdresser in New York.
   他是纽约市里一个懂得如何生存精明干练的年轻美发师。