I'll give a prize to the best idea. Talking of good ideas, here's one to break the ice at a wedding reception.

我将奖励最佳主意。说起好主意，这里就有一个，能活跃婚礼气氛。

《柯林斯英汉双解大词典》

Complimenting someone on their garment is also a great way to break the ice.

赞美别人的衣服也是打破沉默的好办法。

youdao

We need someone to break the ice.

我们需要有人打破这种僵局。

youdao

When not being accosted by curious strangers, wearers can use the eyewear to break the ice.

CNN: Figuring out real-world etiquette for Google Glass

It will be even shorter when it is possible to break the ice across the North Pole.

ECONOMIST: Banyan

"The first individual to break the ice often ends up in a bit of an atmosphere of failure, " he said.

BBC: Captain Terence O'Neill: Visionary or failure?