Definition
to perform poorly in a certain area compared to other aspects
在某方面表現不佳
The team fell down on time management during this project.
團隊在這個項目中的時間管理表現不佳。
Although he excelled in mathematics, he fell down on critical thinking.
雖然他在數學方面表現出色，但在批判性思維上表現不佳。
We fell down on customer service in this evaluation.
我們在這次評估中的客戶服務表現不佳。