feeling unhappy because you want better treatment or an improved situation

He had to cope with large numbers of discontented passengers. 他不得不应付大量不满的乘客。

Nurses are increasingly discontented with changes in their workplace. 护士们对其工作场所的变化越来越不满。

After being married for a few years she grew discontented. 结婚几年后，她渐渐产生了不满情绪。