hear out意思是：听…把话说完;例句I asked my boss to hear me out before making any decisions. I wanted to explain...

be in business意思是：准备就绪；运作例句I started my own company, and now I am in business selling handmade jewel...

strap up意思是：绑住；(用武器)武装例句Make sure to strap up the boxes on the roof of the car before you start driv...

upside down意思是：adv. 颠倒地；颠倒 adj. 颠倒的，乱七八糟的;例句The financial crisis turned their lives upside down and ...

make a run for it意思是：逃跑；快跑以获得某物例句The thief saw the police arriving and made a run for it.小偷看到警察到达后, ...