I've already trod on dangerous ground.

我已经深处危险的地方了。

He was unwilling to leave her while they were still on dangerous ground.

只要艾娥达夫人没有离开这个对她有危险的国家，福克先生就不肯离开她一步。

Teachers can be on dangerous ground if they discuss religion.

【dangerous】教师如果讨论起宗教可能动辄得咎。

He was unwilling to leave her side while she remained on dangerous ground.

当她处于危险的境地时，他不愿意离开她的身边。