His wife is trying to keep him on the straight and narrow.
他妻子想方设法让他要诚实正派。
Chemists who design drugs keep on trying to make the key fit only one lock.
设计药物的化学家就必须不停地确保这些钥匙只能开一把锁。
The biggest is trying to keep at it on a normal pace.
最大的问题是如何保持一个正常的步伐。
They will be trying to keep order. It is always the same on these occasions.
他们将设法维持秩序。每逢这种场合， ， 情况都这样。
You are bound to succeed if you keep on trying.
如果你不断努力，你一定会成功。
The children were on the bed under a blanket, trying to keep warm.
那些孩子挤在床上的一张毛毯里，试图以此取暖。
I must always keep on trying to do my best.
我必须永远不断尽我最大的努力。
To achieve the result you want, you must keep on trying hard.
要想获得你想要的结果，就必须坚持努力。
To achieve the result you want, you must keep on trying hard.
要想获得你想要的结果，就必须坚持努力。
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