三点以后
sān diǎn yǐ hòu
After three o'clock
下课以后
xià kè yǐ hòu
After class
以后我会努力
yǐ hòu wǒ huì nǔ lì
I'll work hard from now on
以后不要迟到
yǐ hòu bú yào chí dào
Don't be late in the future
