n.

1. 倫理學，道德學[J]
   Ethics deals with moral conduct.

   倫理學研討道德行為。

2. 倫理學著作（或論文）[J]
3. 倫理觀；道德標準；（某種職業的）規矩[G]
   The ethics of his profession do not permit him to do that.

   他的職業道德不容許他那樣做。

pl. n.

1. [usu. treated as pl.] the moral principles governing or influencing conduct.
2. [usu. treated as sing.] the branch of knowledge concerned with moral principles.