"under the gun"有什么特殊的含义?

under the gun有什么特殊的含义? Everyone has been under the gun Everyone has been under the gun? under construction 和under the construction有什么区别? under bed 和under the bed有什么区别?有under bed这个用法吗? Under the stone,there is a stone-fish Under the stone,there is a stone-fish不要告诉我是石头底下有个石头鱼.这里面有没有什么特殊含义呀 The gun is magical什么意思The gun is magical是什么意思?会的帮忙了! in the shade 还是under the shade有什么不同? russian roulette is not the same without a gun 什么 jump the gun this is water under the bridge有什么寓意?谢谢! GUN什么意思 GUN 什么意思? gun什么意思 under water和under the water有什么不同?用不用the,哪一个更好一点,意义上有不同么? under the mistletoe什么意思 under the table 什么意思 under the impression什么意思?