1、He cynically dismissed her accomplishments, believing that they were all for show.
他冷嘲热讽地贬低她的成就，认为那些都是为了给人看的。
2、The politician cynically promised to bring about change, but many people doubted his sincerity.
这位政治家愤世嫉俗地承诺要带来改变，但很多人都对他的诚意表示怀疑。