来自 treachery,背叛，不忠，-ous,形容词后缀。

1. The President spoke of the treacherous intentions of the enemy.

总统谈及了敌人的奸诈用心。

2. A storm has made roads treacherous and knocked out power.

一场暴风雨致使公路隐患重重且电力瘫痪。

3. The current of the river is fast flowing and treacherous.

这条河水流湍急，变幻莫测。

4. 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。

5. 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。