poor show的用法和样例：
例句
- It is bad manners to show off your knowledge of cleverness.
炫耀你的知识和聪明是不好的。 - The problems that pupils weak in Chinese face are not necessarily tougher than those who are poor in English and the sciences.
华文不好的学生所面对的困扰，其实不比英文或数理化差的学生来得大。
词汇搭配
- put up a poor show 表现得不好
