欲

In a sentence

• 欲穷千里目，更上一层楼。

  To extend your vision a thousand miles, ascend one story higher.

  In this sentence, '欲' conveys the intention or desire to extend one's vision further.

• 他欲言又止，似乎有心事。

  He wanted to speak but hesitated, seemingly having something on his mind.

  Here, '欲' implies an intention or strong inclination to say something that is restrained or deferred.

• 时代在变，品牌也需欲求创新。

  As times change, brands also need to seek innovation.

  In this instance, '欲' is part of an idiomatic expression meaning 'desire' or 'aspiration' for improvement or progress.