jackknifes

['dʒæknaif]

[ jackknifes ]

n. 大型折合式刀, 镰刀式跳水
vt. 使弯曲, 用折刀切
vi. 屈身, 折叠

例句与用法：

Editors have every reason for jacking up their women's pages.

编辑们有足够的理由增加有关妇女问题的篇幅。

Mary didn't like her new job at all and was thinking of jacking it in.

玛丽一点也不喜欢她的新工作，所以正考虑着辞职不干了。

Everything's falling apart; the whole system needs jacking up.

一切都乱了，整个系统有待整顿。

词形变化：

动词过去式: jackknifed | 动词过去分词: jackknifed | 动词现在分词: jackknifing | 动词第三人称单数: jackknifes |