She is so closemouthed and guarded that it was like pulling teeth.

她是如此的闭嘴和戒备，就像拔牙一样。

That's because, in Artem's words, " she is so closemouthed and guarded that it" – making conversation – " was like pulling teeth." " To be closemouthed" means to not be willing to speak.

那是因为，用阿尔乔姆的话来说，“她是如此的守口如瓶， 以致于” ——交谈——“就像拔牙一样。 ” “守口如瓶” 的意思是不愿意说话。