他的竞选演讲未能使选民相信他就足参议员的合适人选。(to convince)
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No matter how promising your situation, or how creative you can be, hard work is always essential to
You shouldn't promise what is impossible.
The boss assured him that she had no plan to let him go.
我今年买的新书多得难以数清。(to keep count of)
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