button up

动词 button up:

1. refuse to talk or stop talking; fall silent
   同义词：close up, clam up, dummy up, shut up, belt up, be quiet, keep mum

1. Button up your coat before you go out.
   出去以前把你的上衣扣好。
2. The shirt do not button up very easily.
   这件衬衫扣起来不太容易。
3. Let's button up the job.
   让我们把这活干完吧。
4. I've got that new job buttoned up and I'll finish it well on time.
   我已把那新任务安排好了，我将按时完成。