他每天努力练习钢琴，想成为一名音乐家。

He ___strives to practice piano every day to become a musician.

他每天努力工作，为了实现自己的梦想。

He ___strives hard every day to achieve his dreams.

尽管面临重重困难，他仍努力争取事业上的成功。

Despite many challenges, he ___strives to achieve success in his career.