Or perhaps, you could set a goal to lose weight and you could work very hard.

又或者，你制定了一个减肥的目标，你为此而努力坚持着。

I'm frustrated 课堂 - SpeakingMax英语口语达人

He claims to be studying and learning rather than producing right now; and there's a problem with just studying and learning, and it's a problem that Milton can't avoid.

他坚持学习而不是创作;,但这种单纯地学习存在一个问题，这是个弥尔顿无法回避的问题。

耶鲁公开课 - 弥尔顿课程节选