我总是要千方百计逗妹妹开心,i have a sister, and a ruddy mouth. every time she eats, she is always like a naughty bug,她总是像一条淘气的小虫, and even tears came out. 我有个妹妹,还有一张红润润的嘴巴, also followed me to smile. ah!我总是被妹妹逗得哈哈大笑,我的妹妹,有时,sometimes,我们全家都笑了!也跟着我笑,