第三年第一百三十六天

[nnozomi]

成语
深更半夜 in the dead of night
深山老林 remote mountains and forests
涉世未深 inexperienced, naive, unsophisticated (lit. not deep in moving through the world)
深更半夜 shēn gēng bànyè; 深山老林 shēnshān lǎolín; 涉世未深 shèshì wèi shēn

词汇
厂, 工厂, factory (pinyin in tags)
https://mandarinbean.com/new-hsk-3-word-list/

Guardian:
深更半夜你俩在搞什么猫咪啊？ what tomfoolery are you two up to in the middle of the night?
她老爹就是个亲人派，放着这深山老林不待, her old dad was a human-lover, couldn't stick around in these remote places
虽然表面上看上去很成熟，可其实涉世未深, she may look very mature on the surface but she's actually naive
[no 厂]

Me:
怎么回事，你怎么这深更半夜在工作呢。
工厂的污染问题很深刻。