Definition: to stop working correctly Level: B2
随着年龄增长，我的听力开始衰退。
My hearing is starting to ___go as I get older.
我手机里的电池快不行了。
The battery in my phone is about to ___go.
那台机器在重要实验进行到一半时坏了。
The machine ___went right in the middle of the important experiment.
