Don’t stay at home

bú yào dāi zài jiā lǐ

Let’s go outside and play

dào wàimian qù wánr ba

This is her bike

zhè shì tā de zìxíngchē

Don’t be so unfriendly

bú yào zhème bù yǒuhǎo

Be kind!

yǒushàn yìdiǎnr ba !

This is an accident

zhè shì yí ge yìwài

Don’t quarrel

bú yào zhēngchǎo

Be good friends

zuò hǎo péngyou ba

Happy birthday

shēngrì kuàilè

Don’t be sad

bú yào shāngxīn

Be happy!

kāixīn yìdiǎnr ba!