1. The audience thought the 47-year-old was a put-on. 观众们认为这个47岁的电视选秀节目选手是在恶作剧。
2. Figure skating is very funny, because it's very fake, it's very put-on. 花样滑冰很有意思，因为它是表演出来的东西，是展现给人看的。
3. The operator have to keep enough space from disc blade when put-on power. 接通电源时操作者必须远离研磨盘。
英英解释
n.
1. a composition that imitates somebody's style in a humorous way
2. something intended to deceive; deliberate trickery intended to gain an advantage
3. a ludicrous or grotesque act done for fun and amusement v.
1. put clothing on one's body
2. add to something existing
3. put on the stove or ready for cooking
4. carry out (performances)
5. add to the odometer
6. prepare and supply with the necessary equipment for execution or performance
7. apply to a surface
8. fool or hoax
9. increase (one's body weight) adj.
1. adopted in order to deceive
