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treacherous + noun (e.g., road, weather, conditions)
常修饰自然条件或地形，表示危险、不稳定的状态。
The mountain path was treacherous after the storm.
暴风雨后山路变得危险重重。
背信弃义的；奸诈的
先理解核心含义，再看它在真实句子里的用法。
背信弃义的；奸诈的
betraying someone who trusts you; deceitful
The mountain path was treacherous after the storm.
暴风雨后山路变得危险重重。
指人时表示背信弃义；指道路、天气等时表示暗藏危险、变化莫测。
背信弃义的。
Exhibiting treachery.
危险地不稳定和不可预测的
dangerously unstable and unpredictable
欺骗的；有背叛倾向的。
Deceitful; inclined to betray.
倾向于背叛的；尤其是像罗马人所说的迦太基人那样具有背叛性格的
tending to betray; especially having a treacherous character as attributed to the Carthaginians by the Romans
The trail becomes treacherous after a storm, with loose rocks and slippery mud.
暴风雨过后，这条小径变得很危险，到处是松动的石块和湿滑的泥巴。
AI contextual example
Treacherous ice covered the entire sidewalk this morning.
今天早上，整个人行道都被危险的冰层覆盖着。
AI contextual example
The currents here are treacherous, so swimming is not allowed.
这里的水流很危险，因此禁止游泳。
AI contextual example
treacherous winding roads
危险曲折的道路。
WordNet
常修饰自然条件或地形，表示危险、不稳定的状态。
The mountain path was treacherous after the storm.
暴风雨后山路变得危险重重。
描述人时，强调不忠诚、不可信任。
He proved to be a treacherous ally.
他证明了自己是一个不可靠的盟友。
该结构用于强调做某事具有潜在危险。
It is treacherous to walk on the icy sidewalk.
在结冰的人行道上行走很危险。
Not this
His treacherous was unexpected.
Use this
His treachery was unexpected.
Treacherous 是形容词，不能作主语或宾语，应使用名词 treachery。
Not this
He behaved treacherous.
Use this
He behaved treacherously.
动词后需用副词修饰行为，故用 treacherously 而非形容词 treacherous。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
危险的道路
The mountain pass is a treacherous road in winter.
冬天这条山路非常危险。
险恶的天气
The sailors had to navigate through treacherous weather.
水手们不得不在险恶的天气中航行。
凶险的水域
The area is known for its treacherous waters.
该地区以其凶险的水域而闻名。
崎岖难行的地形
The hikers struggled to cross the treacherous terrain.
徒步者们艰难地穿越崎岖难行的地形。
背信弃义的朋友
He was betrayed by a treacherous friend.
他被一个背信弃义的朋友出卖了。
背叛行为
The treacherous act led to the downfall of the kingdom.
这个背叛行为导致了王国的覆灭。
险恶水域；危险处境
The company is navigating treacherous waters with the new regulations.
这家公司正在新的法规下艰难应对险恶局面。
危险的道路；艰难的过程
He chose a treacherous path to success, full of risks.
他选择了一条充满风险的危险道路通往成功。
危险地带；不稳定的局面
We are on treacherous ground when discussing politics at family gatherings.
在家庭聚会上讨论政治时，我们处于危险境地。
这个斜坡很危险 / 这条路很鲁莽 / 这个斜坡很危险 / 而我，我，我喜欢这样。
The path up the mountain was treacherous, so we had to be careful.
上山的路很危险，所以我们必须小心。
发短 /ɛ/ 音 (如 head, bread)
Use treacherous naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象“踹破信任”的人，表面友好，背后使坏，让人陷入危险。
语域：formal 常见场景：mountain terrain、political alliances 通常用于正式文体，如新闻报道或文学描述，形容天气、道路或人际关系中的危险或欺骗，在日常对话中使用较少。
通常用于描述人、行为或情况，表示不可信任或危险。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.
Watch the sound change