rì zi
这个日子好容易盼到了。
zhè ge rì zi hǎo róng yì pàn dào le.
This day has finally arrived after much anticipation.
他走了有些日子了。
tā zǒu le yǒu xiē rì zi le.
He has been gone for quite some time now.
日子越过越美。
rìzi yuè guò yuè měi
Life is getting better and better