puzzle over造句怎么写

Feschotte explains that other researchers might have to puzzle over fossilized bones and argue indefinitely about whether a hominid walked upright.

I saw him puzzle over an arithmetic problem.

You needn't puzzle over every single word or phrase in the book.

The key may be tackling something new; the challenge of the unknown is likely more beneficial than putting together the same jigsaw puzzle over and over again.

As the individual continues to focus on such a direct referent, he may puzzle over what a funny kind of a "this" he is talking about.

Tao Zi，I puzzle over the meaning of life.

So we should not underestimate the 'pleasure' of interacting with a screen when we puzzle over why it seems so appealing to young people.

The neighborns would stop to admire the huge crop of vegetables and puzzle over their own gardens weren't doing well.

You know I can read very well, and I am never so well pleased as when I can get some of the troubadour songs, or some old chronicle, to puzzle over.