Explaining 烦百事生 in 雨下得人心烦百事生
You can not find 烦百事生. "雨下得人心烦百事生，看不到雨停的希望。" should be read as 雨下得//人心烦//百事生，看不到雨停的希望。 It means that the rain make me so upset(人心烦), everything goes wrong(百事生), I don't know when the unpleasant rain stop.(看不到雨停的希望)