a tightly stretched wire or rope fixed high above the ground, which someone walks across as an entertainment

He learned trapeze moves when he was just a child, and soon was able to walk the high wire. 他从小就学会了空中飞人的动作，很快就能在高空走钢丝了。

The Aguilar brothers perform 25 feet above the arena on the high wire. 阿吉拉尔兄弟在竞技场上方25英尺的空中进行走钢丝表演。

used to refer to a situation that involves a lot of risk

Many people confidently walk the financial high wire of life without a safety net. 生活中的许多人在没有安全保障的情况下仍然自信地在财务上走钢丝。

The business has been on a high wire for the past few months. 在过去的几个月里，该业务一直处于高危状况。