to waste more money on something that has already failed
在已经失败的事情上浪费更多的钱 (zai yijing shibai de shiqing shang langfei geng duo de qian)
"Don’t throw good money after bad on that failing project."
"不要在那个失败的项目上砸更多的钱。" (bu yao zai nage shibai de xiangmu shang za geng duo de qian)
To start discussing the essential or most important aspects...
to forget what you were thinking or saying
an obvious problem that no one wants to discuss
to express the same opinion as others, especially publicly
to sound familiar or remind someone of something
to rely on something when the first option fails
