1. They rose to the challenge of entertaining 80 school-children for an afternoon.
2. Online gaming allows players from around the world to challenge each other.
3. This challenge will occupy Europe for a generation or more.
这将是欧洲在未来二三十年或者更长的时间里所要面临的挑战。
4. The new Germany must rise to the challenge of its enhanced responsibilities.
5. He said he's game for a similar challenge next year.
6. Increasingly, more wine-makers are taking up the challenge of growing Pinot Noir.