high wire
noun/ˈhaɪ waɪə(r)/
/ˈhaɪ waɪər/
[usually singular]- a rope or wire that is stretched high above the ground, and used by circus performers to walk and balance on
（表演杂技用的）高空绳索，空中钢丝 - One man rode a bicycle along the high wire as the climax to the act.
单人骑自行车走钢丝是演出的高潮。
- One man rode a bicycle along the high wire as the climax to the act.