英语翻译

问题描述:

英语翻译
10.虽然他试了很多次,但是他自己爬上山有困难.
Although he tried many times,he ________ __________ _________ the mountains __________.

虽然他试了很多次,但是他自己爬上山有困难.
Although he tried many times, he ________ __________ _________ the mountains __________.
答案:had difficulty climbing/himself