三人行，必有我师(焉)

成语
德才兼备 possessed of both integrity and talent
一窍不通 don't understand a single thing (lit. doesn't even go into one hole [of the head])
狗屁不通 bullshit, nonsense, completely illogical (lit. even dog farts don't get through)
( ”pinyin” )

词汇
类, class/kind; 类似, similar; 人类, human beings ( ”pinyin” )
https://mandarinbean.com/new-hsk-3-word-list/

Guardian:
这续任的候选人必须出身高贵，德才兼备呀, the candidates for his successor must be of noble origins and possessed of both integrity and talent
可他这个人偏偏对电子产品是一窍不通, but he doesn't have a clue about electronics
还留下这么一封狗屁不通的书信, and this nonsensical note was left
成医生应该也有过类似的经历吧, Dr. Cheng, you must have had similar experiences

Me:
数学的话我一窍不通。
现在您找的产品没有了，但是我们还有类似的。