1
be life-threatening
用于描述事物本身的性质。
The infection is life-threatening.
这种感染是威胁生命的。
威胁生命的；危及生命的
先理解核心含义，再看它在真实句子里的用法。
威胁生命的；危及生命的
causing fear or worry by threatening serious harm
The infection is life-threatening.
这种感染是威胁生命的。
可能致命的。
Potentially fatal.
The firefighters arrived quickly because the smoke was life-threatening.
因为烟雾危及生命，消防员迅速赶到。
She has a life-threatening allergy, so she always carries an emergency injection.
她有危及生命的过敏症，因此总是随身携带急救注射剂。
He described the flood as a life-threatening event that forced everyone to leave.
他把洪水描述为迫使所有人撤离的危及生命的事件。
用于描述事物本身的性质。
The infection is life-threatening.
这种感染是威胁生命的。
用于修饰名词，作定语。
He suffered a life-threatening injury.
他遭受了威胁生命的伤害。
后接介词to，表示威胁的对象。
The disease is life-threatening to the elderly.
这种疾病对老年人是威胁生命的。
Not this
Smoking life-threatens your health.
Use this
Smoking is life-threatening to your health.
错误将形容词'life-threatening'用作动词，应使用系表结构'be life-threatening'来表达'威胁生命'的含义。
Not this
He was life-threatening wounded in the accident.
Use this
His wounds were life-threatening in the accident.
错误将形容词'life-threatening'用作副词修饰动词，应将其改为修饰名词'wounds'，即用系表结构表示'伤口是威胁生命的'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
危及生命的疾病
The doctor told him the infection was a life-threatening illness.
医生告诉他，这种感染是一种危及生命的疾病。
危及生命的损伤
She suffered a life-threatening injury in the car crash.
她在车祸中受了危及生命的伤。
危及生命的状况
Patients with this life-threatening condition need immediate surgery.
患有这种危及生命状况的病人需要立即手术。
危及生命的处境
The climbers found themselves in a life-threatening situation.
登山者发现自己处于危及生命的处境。
危及生命的紧急情况
Call an ambulance immediately in a life-threatening emergency.
在危及生命的紧急情况下，立即叫救护车。
危及生命的并发症
The surgery carries a risk of life-threatening complications.
这项手术有出现危及生命的并发症的风险。
Use life-threatening naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
拆成 life（生命）+ threatening（威胁），想象一个生命正被刀架住，危急到可能致命。
语域：neutral 常见场景：medical、news reporting 该词多用于医学、急救和新闻报道等较正式或严肃的场景，表示“可能致命的”；日常口语中较少用到，但语气中立，没有明显褒贬。
真正与 -threatening /ˈθret.nɪŋ/ 押韵的常用词很少；threatening 是直接参考。注意：threat /θret/ 的 ea 读 /e/，不要混同为 treating /ˈtriː.tɪŋ/；sweating /ˈswet.ɪŋ/ 没有 /n/ 音，与 /ˈθret.nɪŋ/ 不同；frightening /ˈfraɪt.nɪŋ/ 和 brightening /ˈbraɪt.nɪŋ/ 拼写相似，但元音是 /aɪ/，不是 /e/。
Dictionary facts from ECDICT, WIKTIONARY.