get to the bottom of something

english slang -... ... Tighten one's belt 节衣缩食 Get to the bottom of something 弄清真相 Round the clock 夜以继日的 ...

... 13 Feeling blue 感到无精打采 14 Get to the bottom of something 弄清真莫道不消魂相 15 A piece of cake 轻松的事 ...

贸易英语之参加国际商展 ... at the moment 现在 get to the bottom of something 深入追究问题 send in 送，交出（资料） ...