为了 (wèi le): in order to

He works hard every day in order to learn Chinese.

For our health, we should eat more vegetables and fruits.

She went to Beijing for work.

For environmental protection, we can drive less.

For his health, he runs every day.

In order to pass the exam, she reviews until late every day.

For the sake of his family, he gave up his own dream.

We work hard for the same goal.