今天是我妹妹的生日。jīntiānshìwǒmèimeideshēngrì。Today is my little sister's birthday.她今年八岁了。tājīnniánbāsuìle。She turned eight this year.妈妈做了很多好吃的菜。māmazuòlehěnduōhǎochīdecài。Mom made a lot of delicious dishes.我送给她一个漂亮的礼物。wǒsònggěitāyígèpiàoliangdelǐwù。I gave her a beautiful gift.我们一起唱歌，真开心。wǒmenyìqǐchànggē，zhēnkāixīn。We sang together and had a wonderful time.