“平白无故”，汉语成语，指无缘无故、没有理由或原因。可以翻译为“for no reason，without reason or cause或for no apparent reason”等。 例句： 平白无故挨了顿骂 Get a scolding for no reason at all. 她不可能平白无故离开他。 It was impossible that she left him for ...