1ADJ-GRADED 奸诈的;背信弃义的;不可信任的 If you describe someone as treacherous, you mean that they are likely to betray you and cannot be trusted. 奸诈的;背信弃义的;不可信任的 [disapproval]
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.