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- The principal thing in this world is to keep one s soul aloft. 人生在世首要大事是保持靈魂的高尚。
- keep one's tools bright 常備不懈
- The gardener' s tools are kept in the shed. 花匠的工具放在小屋裡。
- The farmer keeps one ram and five ewes on his farm. 農夫在農場里養了一隻公羊，五隻母羊。
- To set a fox to keep one's geese. 如狼牧羊。
- It's dangerous to set a fox to keep one's geese. 引狼入室是非常危險的。
- Keep one's reputation free from. 使自己的名譽不受損害。
- Once one does a thing, one must keep one's hand in. 干一項,總該專心一項。
- Keep one's account open at a bank. 在銀行開有戶頭
- To attempt to keep one's courage up. 給自己壯膽試圖鼓起某人的勇氣
- A wom an can keep one secret of her age. 女人能守住一個秘密：自己的年齡。
- A borrowed cloak does not keep one warm. 借來的大氅不暖身。
- The best way to keep one's word is not to give it. 信守諾言的最好方法是不許諾言!
- He opened it and looked fondly at the finest set of burglar『s tools in the East. 他將它打開之後，愛惜地瞧著那套在東部最出色的盜竊工具。
- One should keep one's reputation free from all slurs. 人應該保持名譽不受責備。
- Not knowing much Italian, it was all the teacher could do to keep one step ahead of the class. 因不太懂義大利語，老師只能做到比全班水平稍高一點。
- In the light of the character of the objective function and the constraint condition, elect the reasonable optimal design』s tools and raddle program. 根據目標函數的性質和約束條件，選用合理的優化設計方法，編製程序。
- The frozen snow was so slippery that is was hard t keep one's feet. 冰雪溜滑，人們很難站穩。
- It is difficult to keep one's balance on an icy pavement. 人行道上結了冰，要想不倒可不容易。
- It's no easy job to keep one's career apart from one's family. 把一個人的事業與其家庭分開不是件容易的事。
