I dated a lot of girls who liked pushing boundaries, but it all seemed a little forced.

我和许多喜欢不断超越自己的女孩子约会，但似乎总觉得有点勉强。

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A solar-powered airliner is still a distant dream, but IATA knows that pushing the boundaries of technology will be necessary to help clean up air travel.

太阳能飞机依然是遥远的梦想，但IATA知道，推进科技界线必能协助清洁航空旅行。

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If you insist on pushing boundaries, on demanding an adult jelly bean experience, there's always licorice jelly beans.

WSJ: Serious About Sweets

BP's staid culture of blindly following rules became one of pushing boundaries.

WSJ: The Unsung Beauty of Bureaucracy

Pushing boundaries is, after all, what jazz is all about!

BBC: NEWS | Entertainment | Cullum gives it all that jazz