self-appointed
adj[usu attrib 通常作定语]
having decided to be sth, usu without the agreement of others 自封的(通常指未经他人认可的)
a self-appointed judge, expert, critic, etc 自封的裁判、 专家、 评论家等.
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.