thumbs-up, thumbs-down. 豎起大拇指/ 贊, 拇指向下/ 不贊

Naya Rivera and husband Ryan Dorsey take baby Josey for his first Easter egg hunt  | English News
http://uk.ma.tn/news/naya-rivera-and-husband-ryan-dorsey-take-baby-josey-for-his-first-easter-egg-hunt
Malia Obama caught giving sister Sasha a thumbs-up in front of Ryan Reynolds | Daily Mail Online
http://www.dailymail.co.uk/news/article-3490744/Malia-Obama-caught-giving-sister-Sasha-sarcastic-thumbs-Ryan-Reynolds-state-dinner-Canadian-Prime-Minister-Justin-Trudeau.html

Thumbs signal - Wikipedia, the free encyclopedia

A thumbs-up or thumbs-down

拇指手勢

表示讚好（向上）或表示惡劣（向下）

Please give me a thumbs up! --幫我按讚！ - 黃玟君老師英語學習網誌 - udn部落格