And finally, in a little spurt of whimsy, which was typical of my mother, she gave him a half a grapefruit that still had quite a bit of grapefruit in it, and it electrified him. It was like he'd taken a hypodermic.
最后,她一时心血来潮——母亲经常这样——给了他半个葡萄柚,里面有不少葡萄柚,这使他兴奋起来。他就好像打了皮下注射一样。