Pay someone a visit 拜访

If you pay someone a visit, bring a gift.

如果你去拜访别人，要带个礼物去。

Pay someone a compliment 称赞

You must like her, you never pay someone a compliment.

你一定是喜欢她，你从来没有称赞过别人。

Pay your respect 尊重，致敬

He died and I wanted to pay my respect, I loved that fish.

鱼死了，我想表示一下敬意，我挺喜欢那条鱼的。

Pay attention 注意

Make sure you pay attention in class.

上课一定要注意听讲。

Pay the price 付出代价

If you want a house in Beijing be prepared to pay the price.

如果你想在北京有个房子，就要准备好付出代价。