1.at worst 在最坏的情况下
例句:This policy, they say, is at best confused and at worst non-existent.
有人说这项政策往好里说是混乱不堪,往坏里说就是形同虚设 。
2.compromise v. (尤指因行为不很明智)使陷入危险,使受到怀疑
例句:She had already compromised herself by accepting his invitation.
她接受了他的邀请,这件事已经使她的声誉受到了损害 。