因为 (yīn wèi): because; because of

Because it rained, we didn't go to the park.

He didn't come to class because he was sick.

Because it was too expensive, I decided not to buy it.

She did well on the exam because she studied hard.

Because the weather is nice, we plan to go hiking.

Because it rained, the match was canceled.

He missed the train because he was late.

Because the weather was nice, we went for a walk in the park.

She got a promotion because she worked hard.

I was ten minutes late because of the traffic jam.

He didn't come because there was an emergency at home.