It will take a while for the drug to work out of your system.

　　這藥得需要一段時(shí)間才能排出你的體外。

　　She's full of good intentions but they rarely work out.

　　她雖然處處出于善意，卻往往事與愿違。

　　It is impossible to foresee how life will work out.

　　不可能預(yù)知生命將如何發(fā)展。

　　It'll work out cheaper to travel by bus.

　　算來還是乘公共汽車便宜些。

　　I work out at the gym most days.

　　我多數(shù)日子都在健身俱樂部鍛煉身體。