in brief

Từ điển WordNet v3.1 - WordNet Dictionary

adverb

in a concise manner;
in a few words (Freq. 1)
- the history is summed up concisely in this book
- she replied briefly
- briefly, we have a problem
- to put it shortly
• Syn:
concisely, briefly, shortly, in short
• Derived from adjective:
brief (for: briefly), concise (for: concisely)