in brief

副词 in brief:

1. in a concise manner; in a few words
   同义词：concisely, briefly, shortly, in short

1. In brief, mammals are warm-blooded, lung-breathing, hairy vertebrates.
   简言之，哺乳动物是温血、肺呼吸和多毛的脊椎动物。
2. I treated the subject in brief outline.
   我简单地概述了那个问题。
3. In brief, your work is bad.
   总之，你做得不好。
4. In brief, Tom is a lazy boy.
   简而言之，汤姆是个懒孩子。