1about短语worry about= be worried about担心talk about谈论dream about梦想care about关心(care for照顾,喜欢)be about to do sth.即将做某事think about考虑hear about听说be sure about.对确信(be sure to do sth.一定会)complain about sth. to sb.向某人抱怨be crazy about对着迷(=be keen on sth.)be anxious about.担忧be curious about.对好奇2at 短语laugh at嘲笑look at看call/email sb. at打电话/发邮件找某人point at指着某人shout at朝吼shoot at朝射击smile at朝笑at times有时候at once立刻at pre