at work中文？

at work中文？ 译成中文work at his computer. work in,work at,是什么意思 work for work at work in “at work” 是什么意思 work hard at是什么意思 at work怎么用???? WORK IN 和 WORK AT 的区别 work in 与 work at 的区别 work hard in还是work hard at？