in a word

成語所屬單字word

in a word — 慣用語

1. Used to give a very short, often negative, answer or comment.

1.慣用語
釋義

簡而言之

Used to give a very short, often negative, answer or comment.

例句

"Did you enjoy the movie?" "In a word, no."

In a word, the plan is too risky.