We need to look hard at the reasons for these poor results.我们需要认真考虑造成这些不理想结果的原因。

Photojournalists need to look hard at how to approach the changing marketplace.摄影记者需要仔细考虑从什么角度来反映这一不断变化的市场。

He looked at me hard.他紧紧盯着我。