1 ADJ-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]
SYN disloyal, deceitful, untrustworthy, duplicitous
2 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. 危险的;变化无常的
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The current of the river is fast flowing and treacherous.
这条河水流湍急，变幻莫测。
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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。
SYN dangerous, tricky, risky, unstable
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