1.be good at 擅长
You have to be good at spotting trouble on the way and heading it off.
你必须善于发现潜在的麻烦并加以化解 。
2.something to do with 同...有关
They were shouting at each other. It was something to do with money
他们在吵架,是为了钱的事 。
3.a couple of 几个
I spent a couple of days sight-seeing in Guilin.
我在桂林盘桓了几天,观光了名胜 。
4.be interested in 与...有关
I thought she might be interested in Paula's proposal
我觉得她对葆拉的提议可能会感兴趣 。