1.这是什么意思?
Whats the meaning of this?
2.你这是什么意思?
What do you mean?
3.你到底是什么意思?
What on earth do you mean?
4.我不懂这个词是什么意思。
I dont understand what the word means.
5.我不明白他说的什么意思。
I couldnt make out what he was saying。
6. 我真不知道他这是什么意思。
I really dont know what he meant by that.
