Look, Tom got an "A" , but you just got a "C".
你瞧，汤姆得了“A”而你却只得了个“C”。
I can't hold a candle to Tom.
我不能和汤姆相提并论。
Why? Both of you are taught by the same teacher.
为什么?你们俩让同一个老师教。
Because he is cleverer than me.
因为他比我聪明。
hold a candle to 远不能相比
clever a.聪明的，机灵的;灵巧的，精巧的