We must broaden our appeal.我们必须吸引更多人。

I thought you wanted to broaden your horizons.我原以为你想要开阔视野。

We'll broaden the discussion out in a minute.我们很快将扩大讨论范围。

As we drove towards Chamdo, the river broadened.我们驶近昌都时, 河面越来越宽。

The smile broadened to a grin.笑容变得更加灿烂, 嘴巴也咧开了。

The political spectrum has broadened.政治范围扩大了。

They say that travel broadens the mind.他们说旅行可以使人胸襟开阔。