at a time

副词 at a time:

1. simultaneously
   同义词：at once, at one time

1. Personal enmities must be forgotten at a time of national crisis.
   民族危机当头，必须捐弃个人恩怨。
2. Such waste of money should be deprecated at a time like this.
   在这种时候应大力反对如此浪费金钱。
3. He used to abandon his work for months at a time.
   他过去每次放下工作就是几个月。
4. If only problems would come one at a time!
   要是问题一次只发生一个该多好！
5. He tossed the peanuts into his mouth one at a time.
   他每次将一粒花生扔进嘴里。
6. Female sheep produce one or two lambs at a time.
   母羊一次生一到两只羊羔。