unhealthy
/ʌnˈhelθi/
adj.
标准词条
CET-4
一句话记住
有害健康的;不益于身心的;身体不健康的;呈现病态的
释义与例句
adj.
有害健康的;不益于身心的
likely to damage someone's physical or mental health
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Eating too much processed food is unhealthy for people of all ages.
吃太多加工食品对任何年龄段的人都有害健康。
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It is unhealthy to sit for hours without taking a break.
连续坐几个小时而不休息有害健康。
展开其余 1 条例句
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Air pollution reached unhealthy levels in several cities.
几个城市的空气污染达到了有害健康的水平。
adj.
身体不健康的;呈现病态的
not in good physical health or showing signs of poor health
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He looked pale and unhealthy after weeks of too little sleep.
连续几周睡眠不足后,他看上去脸色苍白、很不健康。
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The child was frequently ill and generally unhealthy.
那个孩子经常生病,身体总体上不健康。
展开其余 1 条例句
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The plant's yellow leaves were a sign that it was unhealthy.
那株植物叶子发黄,表明它生长不健康。
词源与构词
记忆钩子
health 是名词,healthy 是形容词,unhealthy 既可指人“不健康”,也可指饮食或习惯“有害健康”。
词族与关联词
词族(同一词根派生出的不同词性或形式)
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health 健康;健康状况名词;healthy 是形容词,unhealthy 是其反义词。
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unhealthily 不健康地;有害健康地副词,如 eat unhealthily;日常表达中也常用 have an unhealthy diet。
同义词
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harmful 有害的unhealthy 可描述人的健康状态差,也可描述饮食、习惯等有害健康;harmful 只强调某物会造成伤害,常用 be harmful to,不能说 a harmful person 表示此人生病。This chemical is harmful if it comes into contact with your skin. 这种化学物质接触皮肤会有害。
反义词
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healthy 健康的;有益健康的healthy 既可描述人身体健康,也可描述食物、习惯有益健康;unhealthy 在这两类语境中均与其相对。A healthy breakfast can help you concentrate during the morning. 健康的早餐有助于你上午集中注意力。
常见搭配
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an unhealthy diet 不健康的饮食An unhealthy diet may increase the risk of several long-term illnesses. 不健康的饮食可能增加罹患几种长期疾病的风险。
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an unhealthy lifestyle 不健康的生活方式Lack of exercise and poor sleep are parts of an unhealthy lifestyle. 缺乏运动和睡眠不佳都属于不健康的生活方式。
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an unhealthy weight 不健康的体重The doctor advised him to change his habits because he had reached an unhealthy weight. 医生建议他改变生活习惯,因为他的体重已达到不健康水平。