碰

碰

"碰" means "to bump, touch, encounter, or run into."

Here, '碰' means to physically come into contact with something, causing a reaction.

我不小心碰倒了桌上的杯子。

I accidentally knocked over the cup on the table.

In this sentence, '碰' is used metaphorically to describe an unplanned meeting or encounter.

他偶然碰到了一个老朋友。

He accidentally encountered an old friend.

Here, '碰' is used metaphorically to mean facing or encountering a challenge.

在篮球比赛中，我们经常碰到很强的对手。

In basketball games, we often face strong opponents.