Definition
- C1
To fail to produce the intended or expected effect; to not be successful or well-received.
（笑話、想法或建議）未能產生預期的效果。
His speech attempted to start with humor, but the jokes fell flat.
他的演講試圖以幽默開場，但笑話卻沒有引起共鳴。
The new proposal she presented at the meeting fell flat.
她在會議上提出的新提案沒有獲得迴響。
The film received mixed reviews, with some of the comedic moments falling flat.
這部電影的評價褒貶不一，其中一些喜劇片段效果不佳。