disquiets
n.
忧虑( disquiet的名词复数 );
不安;
内心不平静;
烦恼;
v.
使不安，使忧虑，使烦恼( disquiet的第三人称单数 );
例句:
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I must say that bad news disquiets me a great deal.
我得说那坏消息使我非常不安.
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What disquiets people are not the questions but their dismissive and aggressive tone.
来自THETIMES