what on earth
01
used to emphasize a question or statement, showing surprise or confusion
例子
What on earth were you thinking when you decided to climb that tree?
what on earth
01
这到底是怎么回事!, 这究竟是什么!
used to express strong surprise, bewilderment, or disbelief at an unexpected situation
委婉
非正式
例子
The door was wide open—what on earth!
门大开着—到底是怎么回事 !



























