表现得很糟糕用英语可以说作"to perform poorly"，这个短语来源于英语动词"perform"和副词"poorly"的结合，"perform"的意思是"表演、展现"，而"poorly"的意思是"糟糕地、不好地"。
例句1:
She performed poorly on the exam.
(她考试表现得很糟糕)
例句2:
The team performed poorly in the game.
(球队在比赛中表现得很糟糕)
例句3:
He performed poorly in the interview.
(他面试表现得很糟糕)