President Umaru Yar'Adua has come under pressure to step up his anti-graft drive in one of the world's most tainted countries since he came to power in 2007.

VOA: standard.2009.04.18

Sure, there'd be some new particular puzzle you hadn't seen before, but you'd sort of step up a level and say, "Although I haven't seen this particular one before, I've seen crossword puzzles before.

当然肯定有你没见过的特殊填字游戏，但你会退一步说，“虽然我没见过这个特殊的填字游戏，但我见识过填字游戏。

耶鲁公开课 - 死亡课程节选

Sure, there'd be some new particular puzzle you hadn't seen before, but you'd sort of step up a level and say, "Although I haven't seen this particular one before, I've seen crossword puzzles before.

当然肯定有你没见过的特殊填字游戏，但你会退一步说，“虽然我没见过这个特殊的填字游戏，但我见识过填字游戏。

耶鲁公开课 - 死亡课程节选