get good at:擅长于
He gets good at managing money matters.
他学会理财。
turn down:拒绝
He didn't have the heart to turn down their request.
他不忍心拒绝他们的要求。
sneak in:偷偷溜进来
I had to sneak in to get my camera.
我必须偷溜进屋子里才能拿到相机。
pick up:捡起
I' ll call round at my brother' s to pick up the dictionary.
我将到兄弟家去一下把那本词典拿来。