to break, to be broken, to be destroyed, to be wrecked / to fall through; to be broken off / (informal) to go mad; to lose it

a seat (piece of furniture) / (by extension) a post, position (in an office)

作り茸: button mushroom, Agaricus bisporus

fabricated fake item

作り: construction / 旁: right hand part of a kanji / 造り: make-up, structure

繕う: mend, repair

(と〜) thinking that […] (with the next clause explaining that the truth is contrary to expectations)

to seem, to appear

in my opinion; I think; I guess; upon thought; upon reflection; upon contemplation / conceivably; presumably

as one wishes, in a way that one wants