往日

往日	wǎng rì	former days; the past
往	wǎng	to go (in a direction) / to / towards / (of a train) bound for / past / previous
往	wǎng	old variant of 往
日	rì	(bound form) sun / day / day of the month / (bound form) Japan (abbr. for 日本) / (vulgar) to fuck; to have sex with