a small problem or fault that prevents something from being successful or working as well as it should

We'd expected a few glitches, but everything's gone remarkably smoothly. 我们本来预计会出现一些小的差错，但是一切都进展得非常顺利。

The system has been plagued with glitches ever since its launch. 系统自启动以来小故障不断。

a sudden unexpected increase in electrical power, especially one that causes a fault in an electronic system

The computer failure was due to a glitch caused by lightning. 这次计算机故障时由于雷电造成的脉冲干扰。