If you describe someone as treacherous, you mean that they are likely to betray you and cannot be trusted.
例句
He publicly left the party and denounced its treacherous leaders...他公开脱离该党,并谴责该党领袖背信弃义。The President spoke of the treacherous intentions of the enemy.总统谈及了敌人的奸诈用心。
ADJ-GRADED
危险的;变化无常的
If you say that something is treacherous, you mean that it is very dangerous and unpredictable.
例句
The current of the river is fast flowing and treacherous...这条河水流湍急,变幻莫测。They made the treacherous journey across stormy seas in rotten boats.他们乘着破旧的小船穿越风大浪急的海面,完成了这次危险之旅。
英汉词典释义
adj.
骗人的;不忠的;奸诈的;不可信的;靠不住的
a treacherous ally不忠的盟友
背叛的;背信弃义的
I hear that the old man has broken with that treacherous son of his.听说老汉已跟他那个逆子断绝了关系。
危险的;凶险的
The frozen snow was treacherous to walk on.在冻雪上行走有潜在危险。The surface water made the road treacherous for drivers.路面的积水对驾车者构成危险。The oil made the ground slippery and treacherous to walk on.油使地面发滑,走在上面很危险。She was swept away by the treacherous currents.她给凶险的激流卷走了。