up for grabs 东西无主，可供抓取的

如果说某物是 up for grabs, 那么就表示此物尚无主，可以供人随便抓取。谁拿走就是谁的。

例句

Is this last biscuit up for grabs? I'm starving.

There are some great prizes up for grabs in tonight's pub quiz.

There are three scholarships up for grabs. I'm definitely going to apply.

请注意

注意这个短语总是以复数形式出现，即便是形容单数名词也是如此 up for grabs.

Incorrect 错误: There is still one prize up for grab.

Correct 正确: There is still one prize up for grabs.