When they were completely surrounded by police they realized they'd had it. 误译：当他们完全被警察包围时，他们意识到他们受够了。 正确：警察将他们团团围住，他们知道要吃苦头了。 说明：have had it 在这里的意思是“将吃苦头”，也可以表示“将得不到或享受不到某物”。