to misunderstand each other when talking about different things
在谈论不同的事情时误解彼此
"I think we’re talking at cross purposes—I meant next week, not this one."
"我认为我们在各自说错话——我指的是下周，不是这一周。"
To do something that may result in loss or danger.
to set a firm boundary or make a limit clear
an unidentified but informed source
to reverse the direction of events, especially to improve a...
to take strict action to stop something
a person who helps others selflessly
