1) sentimentalize over [ about ] the past
思往事而伤感
2) To recollect the past affair
思怀往事
3) Moved to think of the past affairs
感怀往事
4) To grieve over time and sorrowful affairs
伤时感事
5) depressed over a love affair
为恋爱事而忧伤
6) think deeply about,or remind oneself of past events;consider
沉思或思忆(往事);思考
补充资料：思怀
1.谓胸中的学识。 2.情怀。 3.怀念。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条