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- I saw him puzzle over an arithmetic problem. 我看见他正在苦心思索一道算术题。
- I saw him puzzle over an arithmetic problem . 我看见他正在苦心思索一道算术题。
- puzzle over problem 为问题伤脑筋
- Tao Zi, I puzzle over the meaning of life. 仓里满：“陶子，我对于生命的意义感到困惑。”
- You needn't puzzle over every single word or phrase in the book. 这本书用不着一字一句地抠。
- He was puzzling over the old map. 他对着那张旧地图苦苦思索着。
- Cang Li Man，I puzzle over what you look like today. 陶子：“仓里满，我对于你今天的样子感到困惑。”
- I puzzled over it for hours before it finally clicked. 我对这一问题茫然不解,几小时后终于顿开茅塞。
- She's been puzzling over his strange letter for weeks. 她几个星期也琢磨不透他那封奇怪的来信。
- Henry puzzled over the figures for hours without making head or tail of it. 这些数字亨利苦苦地算了好几个钟头，还是摸不着头脑。
- Historians puzzle over why, for 500 years after inventing gunpowder, China invented so little else. 在发明火药后的500年间，中国几乎没有什么新发明，历史学家对此感到困惑不解。
- The old general was puzzling over the old map. 老将军对着那张旧地图苦苦思索着。
- The neighborns would stop to admire the huge crop of vegetables and puzzle over their own gardens weren't doing well. 邻居们都驻足羡慕里面生长丰盛的蔬菜，纳罕怎么自己花园的长势就没有这么喜人。
- I puzzled over the problem for ages before the light suddenly dawned. 我对这个问题冥思苦想了很久才豁然开朗。
- Still, planetary scientists puzzle over how a world that was so arid in general could have been so watery at certain places and times. 尽管如此，对于为何一个这麽乾燥的行星，会在某些地点、某段时间充满著水，行星科学家感到迷惑不已。
- I have been puzzling over this problem for hours and find no answer. 我苦想这道题,想了几小时还是没有结果。
- I puzzled over it for hour before it finally click. 我对这一问题茫然不解，几小时后终於顿开茅塞。
- Karen puzzled over the question all evening. 卡伦整个晚上都在苦苦思索这个问题。
- We puzzled over our arithmetic for an hour. 我们花了一个小时思考算术。
- I keep puzzling over his strange behavior. 我对他奇怪的行为一直很困惑。
