break the ice：1、打破冷场，打破僵局；开个头

e.g. No onw wants to break the ice. I guess I will be first.

没人愿意开头，那我就第一个来吧。

e.g. Well, I guess we should break the ice and start dancing.

好了，我想咱们得带个头，跳起来吧。

e.g. Our hostess broke the ice the moment she began to serve the refreshments.

女主人端出甜点心时，尴尬的局面一下子变得活跃起来。

break the ice：2、交朋友；结交

e.g. He tried to break the ice, but she was a little cold.

他想与她交个朋友，但她态度有点冷淡。

e.g. A nice smile does a lot to break the ice.

莞尔一笑对结交朋友大有帮助。