(1) If you like thin waist and pink legs, there is a dance floor. Mao Dun's Modern Discourse

"Thin waist and pink legs" is a metonymic figure of speech, referring to dancers.

(2) If the Chief Executive drops "wired" and keeps using "wireless" without saying a word, then we can't stand it. Xu Huai's anecdote about the west line

Wired and wireless are synonymous with wired class soldiers and wireless class soldiers respectively.