We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏,
I was so tired I couldn't keep up with her.
我太累了,跟不上她的步伐。
Greater too than we can describe; for language, which was invented to convey the meanings of this world, cannot readily be fitted to the uses of another.