[bù mǎn]

be discontented with one's circumstances
對處境不滿

nurse a grievance
心懷不滿

abate discontent
緩和不滿情緒

stir up discontent with sb.
煽動對某人的不滿

Lack of food and supplies caused disaffection among the soldiers.
食物和補給的不足造成士兵的不滿。

Disaffection broke out almost from the start.
幾乎一開頭就爆發(fā)出不滿情緒。