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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。
- He sat frowning over a crossword puzzle. 他坐着皱着眉头在思考纵横字谜。
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- The little boy was not good at arithmetic. 这个小男孩算术不太好。
- She grounded her pupils well in arithmetic. 她给自己的学生打下良好的算术基础。
- I could not puzzle out his intentions. 我琢磨不出他的意图。
- A mentally challenging problem or puzzle. 脑筋急转弯一个考验智力的问题或难题
- He got the answer by mental arithmetic. 他用心算得出了答案。
- He is good at mental arithmetic. 他擅长心算。
- She forgot how the puzzle fitted together. 她忘了那个拼图是怎麽拼在一起的。
- I'm good at history but not so hot at arithmetic. 我的历史成绩不错，但算术不太好。
- I could not puzzle out her intentions. 我猜不出她的意图。
- Her decision was a puzzle to him. 她的决定对他来说是个谜。
- Their reason for doing it is still a puzzle to me. 他们为什麽要做此事我仍莫名其妙。
- She tried to solve a crossword puzzle. 她试着解答一道纵横字谜。
- He brushed up on fractions before taking the arithmetic test. 在参加算术考试前他又重温了分数。
- puzzle arithmetic 模糊算法
- I enjoy word games but The Times crossword puzzle usually foxes me. 我喜欢词语游戏，可《时代周刊》上的纵横填字字谜常常把我搞湖涂。
- At last they managed to puzzle out the meaning of the cipher. 最后他们终于弄清楚这符号是什么意思。
