Brb - be right back (马上就回来）gtg - got to go (要走了）cya - see you （再会）ttyl - talk to you later (等一下再聊）l8tr - later (等会儿）cuz - because (应为）nah - no （不用了）aka- also known as (也是说）2morrow - tomorrow （明天）lol- laugh out loud （哈哈， 好笑）rotfl - rolling on the floor laughing (非常好笑，在地上打滚）lmfao - laughing my f*cking ass off (爆笑， 把屁股也笑...
