三人行，必有我师(焉)

语法
难怪 + person "you can't blame X"
https://resources.allsetlearning.com/chinese/grammar/Using_%22nanguai%22_as_a_verb

词汇
爬, climb, crawl; 爬山, mountain climbing ( pinyin )
https://mandarinbean.com/new-hsk-2-word-list/

Guardian:
[no 难怪 of this kind that I can find]
你还真是放心我这个瞎子摸黑爬楼梯, you really aren't worried about letting me climb the stairs blind
紧急情况敲什么门，没爬窗户够给你面子了, who can knock on a door in an emergency, I'm giving you face by not climbing in the window

Me:
难怪他今天迟到了，他昨天身体非常不舒服。
我不喜欢爬山，让人太累了。

语法
这也难怪, "can't really blame ~" (bottom of page)
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22no_wonder%22

词汇
复习, review; 重复, repeat ( pinyin )
https://mandarinbean.com/new-hsk-2-word-list/

Guardian:
这也难怪，孔鲸这个人表演成癖, you can't blame [yourself], Kong Jing has acting down to a science.
我再重复一遍我刚才说的话, I'll repeat what I just said.

Me:
你买了吧？这也难怪自己，那些广告真有魅力。
为了背诵这些词汇，你要每天都复习复习。

语法
reason + 怪不得/难怪 + result, "no wonder..." (top of page)
https://resources.allsetlearning.com/chinese/grammar/Expressing_%22no_wonder%22

词汇
封, measure word [for letters or other things in envelopes] (pinyin in tags)
https://mandarinbean.com/new-hsk-2-word-list/

Guardian:
果然这读书人跟我们粗人的想法就是不一样啊，怪不得之前你在医院还有对付那个影子的时候能那么镇定, I guess scholars just don't think the way us peons do, no wonder you were so calm facing that shadow at the hospital that time
沈老师事事都为学生着想，难怪这么受学生的喜欢了, Professor Shen is always thinking of the students, no wonder they all like you so much.
我收到一封匿名邮件, I got an anonymous email.

Me:
晚上会下雨呢，难怪我今天头疼了。
到那里的时候请给我一封联系。