在奥运会选拔赛之前，他需要进一步提高自己。

He needs to sharpen up before the Olympic trials.

《牛津词典》

如果你想进一步提高自己的AE技巧，你必须十分熟悉ae的快捷键。

If you want to take your AE chops to the next level, you need to know your shortcuts like the back of your hand.

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最重要的是，大学生应该认识到自己的缺陷，并进一步提高自己在社会中保持自己的竞争优势。

Above all, college students should realize their own defects and further improve themselves to keep their competitive edge in society.

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