Could you take a monent to freshen up first? you don't want to go into the meeting smelling like that!
你可不可以先去清醒一会儿?你也不希望带着这样的一身气味去开会吧!
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小时以前我在这里买了两本很贵的辞典,但是我忘了拿走。