regret (sense of loss or dissatisfaction)

strokes 16
strokes after radical 13
憾恨 憾恨 han4 hen4
resentful; hateful

憾事 憾事 han4 shi4
a matter for regret; sth that is a (great) pity

缺憾 缺憾 que1 han4
a regret; sth regrettable

遗憾 遺憾 yi2 han4
regret; to regret; to be sorry that

引以为憾 引以為憾 yin3 yi3 wei2 han4
to consider sth regrettable (idiom)