It means to stay in a place until an expected event happens.

它的意思是待在一个地方直到预期的事件发生。

The Fed expected these events, said Jerome Powell, its chairman, but not such an extreme reaction.

美联储主席杰罗姆·鲍威尔表示，美联储预料到了这些事件，但没想到会有如此极端的反应。

The expected event will involve a two-star system – called a binary system – in the constellation Corona Borealis, also known as the Northern Crown.

预计发生的事件将涉及北冕座（又称北冠座）中的一个双星系统。

The count had gone through violent emotions at the death of his wife; but he had expected the event; his mind was made up to it in a way that was something like indifference.

伯爵在妻子去世后情绪激动。但他已经预料到了这件事；他下定了决心，有点像是漠不关心。