tinging

Her joy at the birth of her son was tinged with sadness that her father had not lived to see him.

儿子出生带给她的欢乐中夹杂着一丝淡淡的悲伤，因为她父亲没有活到看见外孙的降生。

His hair is starting to show tinges of grey.

他的头发开始显得有点儿花白。