认真思考
认真思考(sharpen up), 此释义来源于网络辞典。
使
... sharp-edged 锋利的 sharpen up 使...更敏锐 sharpen 锐化 ...
金尼试图重拾生疏了的打字技术。
She needs to sharpen up before next month's competition.下个月比赛之前,她的水平需要提高一下.
If he really wants to sell his product, he'll have to get his marketing boys to sharpen up.如果他真想卖出产品,就要让市场人员变得更机敏。
We need to sharpen up this knife.我们必须把这小刀削尖.