1. I am going to find out just how untouchable you are. 我要试试看你到底是不是老虎屁股摸不得。
2. For most people limits are untouchable. For the successful they are challenges. 众人在极限面前望而生畏，成功者将它视为新一轮挑战。
3. Surveys say that the cook is the only untouchable crew member on the ship, at least until someone finds a shoe lace in their soup. 调查显示，在船上最不会被打的船员就是厨师了，至少在有人发现荡里有只鞋子之前，他不会被人染指。
英英解释
n.
1. belongs to lowest social and ritual class in India
2. beyond the reach of criticism or attack or impeachment
3. impossible to assail
4. forbidden to the touch
5. defiling to the touch; especially used in traditional Hindu belief of the lowest caste or castes
6. not capable of being obtained
