1N-COUNT (表演平衡动作用的)高空钢丝,空中绳索 A high wire is a length of rope or wire stretched tight high above the ground and used for balancing acts. (表演平衡动作用的)高空钢丝,空中绳索
2N-SING [oft NOUN n](报刊用语)危险的状态,走钢丝,(行为)容易犯错误的 Journalists talk about a person being on a high wire or performing a high-wire act when he or she is dealing with a situation in which it would be easy to do the wrong thing. (报刊用语)危险的状态,走钢丝,(行为)容易犯错误的
This year's Budget looks set to be a precarious high-wire act for the Chancellor.