She hadn't heard his approach and jumped as the door opened.

　　她沒有聽見他走近的聲音，所以門開時嚇了一跳。

　　He jumped to his feet when they called his name.

　　他們叫到他的名字時他一下子就站了起來。

　　You seem to have jumped several steps in the argument.

　　你在論證中似乎略去了好幾個步驟。

　　Prices jumped by 60% last year.

　　去年，物價暴漲60%。

　　He took his chances and jumped into the water.

　　他冒險(xiǎn)跳進(jìn)水里。

　　Sales jumped from$ 2.7 billion to$ 3.5 billion.

　　銷售額從27億元猛增到35億元。