faint from/with sth
用from或with引出原因。
She fainted from the heat.
她因高温而昏倒了。
昏厥；晕倒
fainted — past of faint
气馁；失去勇气；消失；凋零；因大脑缺氧或供血不足而晕厥；失去勇气；变得沮丧；因脑部供血不足而昏厥
to become unconscious for a short time, usually because of a lack of oxygen to the brain
因大脑缺氧或供血不足而晕厥
To lose consciousness through a lack of oxygen or nutrients to the brain, usually as a result of suddenly reduced blood flow (may be caused by emotional trauma, loss of blood or various medical conditions).
失去勇气；变得沮丧
To lose courage or spirit; to become depressed or despondent.
因脑部供血不足而昏厥
pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain
衰败；消失
To decay; to disappear; to vanish.
一般现在时
She faints when she sees blood.
她看到血就会晕倒。
一般过去时
He fainted from the heat.
他因中暑晕倒了。
规则动词，过去式直接加-ed。
She faints at the sight of blood.
她一看到血就会晕倒。
用法提示：动词faint的第三人称单数形式，表示习惯性晕倒。
He fainted from the heat and fell to the ground.
他因中暑晕倒，摔在了地上。
用法提示：动词faint的过去式，描述过去发生的晕倒事件。
The patient is fainting because of low blood sugar.
病人因低血糖正在晕倒。
用法提示：动词faint的现在分词形式，表示正在发生的晕倒动作。
用from或with引出原因。
She fainted from the heat.
她因高温而昏倒了。
强调在某个事件或景象发生时昏倒。
He fainted at the sight of blood.
他一看到血就昏倒了。
直接用作不及物动词，不加宾语。
Many people fainted during the long ceremony.
许多人在漫长的仪式中昏倒了。
比faint更口语化，常用于非正式场合
强调突然失去意识，常与酒精或创伤相关
不一定失去知觉，但可指因虚弱而昏倒
书面语或旧用法，常因情感激动
口语，强调突然性，可能带有幽默色彩
grammar · medium
易错句子After the accident, she was faint and didn't remember anything.
正确表达After the accident, she fainted and didn't remember anything.
“faint”作形容词表示“模糊的，微弱的”，不是“昏厥”的动作。表达“昏倒”应使用动词“faint”，这里需要过去式“fainted”表示过去发生的动作。
grammar · medium
易错句子He fell faint in the hot sun.
正确表达He fainted in the hot sun.
中文的“昏倒”字面含“倒”，导致学习者误用“fall faint”。英语中“fall”不能与“faint”搭配，应直接使用动词“faint”的过去式。
针对动词‘昏倒’的反义词
发音相同，拼写仅差一个字母，但意思不同：faint是昏倒，feint是佯攻或假动作。
因饥饿而昏倒
She fainted from hunger after skipping meals for days.
她几天没吃饭，因饥饿而昏倒了。
见到血就昏倒
He nearly fainted at the sight of blood during the operation.
手术中他见到血差点昏倒。
晕过去
The heat was so intense that several spectators fainted away.
天气太热，几名观众晕了过去。
差点昏倒
I nearly fainted when I heard the shocking news.
听到那个震惊的消息，我差点昏倒。
因精疲力竭而昏倒
After running the marathon, he fainted with exhaustion.
跑完马拉松后，他因精疲力竭而昏倒了。
头晕是昏倒的前兆或伴随症状。
头痛可能引起昏倒或与昏倒相关。
身体虚弱可能导致昏倒。
恶心常伴随昏倒出现。
脱水是昏倒的常见诱因之一。
不适合胆小的人
The roller coaster ride is not for the faint of heart.
坐过山车不适合胆小的人。
敷衍的表扬
His comment was faint praise, barely acknowledging her effort.
他的评论是敷衍的表扬，几乎没有认可她的努力。
渺茫的希望
There is a faint hope that the missing hiker will be found alive.
失踪的徒步者生还的希望渺茫。
发长 /eɪ/ 音 (如 rain, wait)
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.