Tidy up - clean up
He's tidying up his house.他正在清理他的房子。
He has to tidy his office before his boss comes in.在家老板進來之前他必須清理好他的辦公室。
tie up 捆牢, 拴住
His money is all tied up in stocks.他的錢全都拴在股票上
My schedule will be tied up tomorrow 我明天的日程排的滿滿的。
I was tied up in traffic this morning. 今天早上我塞車了。