be anxious about;worry about;have sth. on one's mind;concern ;
Pessimism is being ridden with worries and indecisiveness.
悲观是事情还未开始己有很多挂虑,甚至犹豫不决.
His sleep has been poor lately due to slight anxiety about his illness.
因为他有点挂虑他的病,最近一直睡眠不佳.
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