以yǐ后hòu要yào小xiǎo心xīn一yì点diǎn。

Be more careful from now on.

吃chī饭fàn以yǐ后hòu我wǒ们men出chū去qù走zǒu走zǒu。

After eating let's go for a walk.

以yǐ后hòu有yǒu机jī会huì再zài说shuō。

We'll talk again when there's a chance.

以yǐ后hòu我wǒ们men要yào多duō联lián系xì。

From now on we should keep in touch more.

毕bì业yè以yǐ后hòu他tā去qù了liǎo上shàng海hǎi。

After graduating he went to Shanghai.