三人行，必有我师(焉)

语法
subject + 看起来 + adjective, "X looks Y"
https://resources.allsetlearning.com/chinese/grammar/Appearance_with_%22kanqilai%22

词汇
昨天, yesterday ( pinyin )
https://mandarinbean.com/new-hsk-1-word-list/
(I believe you can also say 昨年, last year, but 去年 is more typical)

Introductory grammar, day 125

Guardian:
你脸色看起来好差呀, you don't look well
他看起来很年轻啊, he looks very young
昨天晚上十一点你到底在哪, where were you at eleven yesterday night

Me:
今天的天气看起来很冷，我不想起床。
昨天我去一趟超市买了很多栗子。