with a jumpBritish EnglishBrE if you wake, sit up etc with a jump, you do it very suddenly because you are surprised or shocked 〔因感到意外或吃惊而〕突然，猛然 She woke with a jump, hearing a noise downstairs. 她听到楼下有声音，一下子醒了。
with a jump• Rose had enrolled Gabriel, with a jump of surprise the girl admitted it.• The ceiling was so low that with a jump Matilda could nearly touch it with her finger-tips.• Waking with a jump, disorientated for a moment, Hilary stared in disbelief at the kitchen clock.• But if she got pins and needles and had to move, it woke with a jump and crept forwards again.
→ with a jump at jump2(1)