do poorly in

• 成绩不好

do poorly in的用法和样例：

例句

1. Children who do badly in school tests often perceive themselves to be failures.
   在学校考试成绩不好的孩子常常将自己视为失败者。
2. If you don't get good exam results these days you've had it as far as a decent job is concerned.
   要是你现在的考试成绩不好，你就会失去得到好工作的机会。