“个”是中文里最常用的量词，可以用在很多东西前面，比如人、苹果、问题等等。

"个" is the most commonly used measure word in Chinese and can be used before many things, such as people, apples, questions, etc.

如果你不知道用哪个量词，用“个”通常也没错。

If you don't know which measure word to use, using "个" is usually fine.