stinker

名词 stinker:

1. a person who is deemed to be despicable or contemptible
   同义词：rotter, dirty dog, rat, skunk, stinkpot, bum, puke, crumb, lowlife, scum bag, so-and-so, git
2. anything that gives off an offensive odor (especially a cheap cigar)
3. an artifact (especially an automobile) that is defective or unsatisfactory
   同义词：lemon

1. The biology paper (ie in an examination) was a real stinker.
   生物试卷真难答。