难住

tā men bèi shēng cí nán zhù shí jiù chá yuè zì diǎn

他们被生词难住时就查阅字典。

They used the dictionary when they got stuck on words.

qǐ chū tā bèi zhè ge wèn tí nán zhù le

起初他被这个问题难住了。

At first, he was stumped by the question.