If something is false, it is incorrect, untrue, or mistaken.
It was quite clear the president was being given false information by those around him.
很明显,总统身边的那些人正给总统提供着错误信息。
You do not know whether what you're told is true or false.
你不知道别人告诉你的是真的还是假的。
You use false to describe objects which are artificial but which are intended to look like the real thing or to be used instead of the real thing.
a set of false teeth.
一副假牙。
If you describe a person or their behaviour as false, you are criticizing them for being insincere or for hiding their real feelings.
'Thank you,' she said with false enthusiasm.
“谢谢你,” 她故作热情地说。