lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles" 同义词：airheaded, dizzy, empty-headed, featherbrained, giddy, light-headed, silly,
weak and likely to lose consciousness; "suddenly felt faint from the pain"; "was sick and faint from hunger"; "felt light in the head"; "a swooning fit"; "light-headed with wine"; "light-headed from lack of sleep" 同义词：faint, light, swooning, light-headed,
例句与用法
1.
Ten to one he was lightheaded at the time . 十有八九，他当时已神志恍惚。
2.
She had a sense of relief which left her curiously lightheaded . 她感到松了一口气，这莫明其妙地使她变得轻浮起来了。
3.
I , i ' m a little lightheaded 我,我有点头晕眼花
4.
I got lightheaded 我有点头晕
5.
In general , syncope is defined by a brief loss of consciousness ( fainting ) or by dimmed vision and feeling uncoordinated , confused , and lightheaded 一般说来，晕厥的定义是意识的短暂丧失(晕倒)或两眼发黑，感到共济失调、意识迷糊或头昏眼花。
6.
A lot of things happen as the body reacts to an injury like a broken bone . you might suddenly feel lightheaded . you might also feel sick to your stomach 身体受到象骨折这样的伤害，会产生很多反应。你可能会突然感到头晕眼花。也可能胃部会感觉不适。
7.
A lot of things happen as the body reacts to an injury like a broken bone . you might suddenly feel lightheaded . you might also feel sick to your stomach 在受到类似骨折的伤害以后身体会发生很多反应。你可能会突然觉得头昏眼花，你也可能会觉得胃不舒服。
8.
A lot of things happen as the body reacts to an injury like a broken bone . you might suddenly feel lightheaded . you might also feel sick to your stomach 当身体与伤口像是坏死的骨头产生反应时,就会出现许多不好的症状,你可能会突然觉得头昏眼花,或是胃不舒服
9.
A lot of things happen as the body reacts to an injury like a broken bone . you might suddenly feel lightheaded . you might also ? ? feel sick to your stomach 当你的身体对你的伤口（比如说骨折）产生反应时，你的身体会有一系列的反应。你可能会感觉头昏眼花或者胃部感到不适。
10.
Moutai does not make one dizzy but stimulates circulation of the blood and causes the muscles and joints to relax , overcoming one s fatigue . so moutai has healthcare functions . after drinking you will not feel lightheaded , throat irritated and thirsty 茅台酒是原产地域保护产品，绿色食品，有机食品，众多科学研究证明，茅台酒具有较强的保健作用和疗效功能，饮后不上头不刺喉不口干不伤胃等特点，故消费者说，国酒茅台喝出健康来。
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