Some puzzles look difficult but once the solution is known are actually quite simple.

The vastness of the oceans and the complexity of their problems still leave many puzzles unsolved.

浩瀚的海洋及其问题的复杂性仍然留下许多未解决的难题.

My sister puzzles me and causes me anxiety.

我妹妹总让我捉摸不透，弄得我焦虑不安。

Ordinary people such as you and I have wrestled with these puzzles over the centuries.

你我这样的普通人,多少年来都为这些难题伤脑筋.

In an intelligence test we take a sample of an individul's ability to solve puzzles and problems of various kinds ….

在智力测验中,我们取样于个人解决各种难题和各种问题的能力.

a book of puzzles for children

儿童谜语书

This letter puzzles me.

这个字母使我迷惑不解.

Water pollution is one of problems Puzzling the development of industry and agriculture in Haiyin.

水污染是困扰淮阴区工农业发展的问题之一.

At first I found their remarks and reactions to the sights of daily Beijing life puzzling.

起初,我发觉他们对于北京日常生活的看法和反应真是让人感到莫名其妙.

China a great range of customs as habits that may seem puzzling a westerners.

中国有许多风俗习惯,在西方人看来这些风俗习惯是颇为费解的.

However the underground garage illumination question has been puzzling the developer, inhabitant's headache question.

然而地下车库照明问题一直是困扰着开发商, 住户的头疼问题.

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.

The spelling of English is often puzzling.

英语的拼写常常使人伤脑筋.

This whole business is very puzzling.

这件事从头到尾都很让人费解。

This whole business is very puzzling. There is a lot more to it than meets the eye.

整件事非常令人费解，远比看起来复杂。

On the face of things, it is puzzling that such costly behaviour should persist.

表面上看来, 这些颇为麻烦的行为能够持续下去是很难理解的.

But for decades there has been a puzzling trend in the boy : girl ratio.

但是,在男女比率上,几十年李一直存在着一个令人费解的趋势.

These were nice questions, but Isabel's arrival put a stop to his puzzling over them.

这是一些棘手的问题, 但伊莎贝尔的到来使他结束了这种左右为难的局面.

He sits puzzling over ancient Hebrew texts.

他坐在那里对着古老的希伯来文本大伤脑筋。

He puzzled that men found so much to about, and , puzzling, dozed in his chair.

他很困惑,人哪来那么多东西可写, 困惑着, 又在椅子里睡着了.

He was puzzling over the old map.

他对着那张旧地图苦苦思索着.