It's more than likely that there's oil here under the ground.这里的地下很可能有石油。
I was more than a little (= I was very) curious about the whole business.我对整件事都非常好奇。
formal We will be more than glad/happy/willing to help you in any way we can.我们会很高兴/乐意/愿意尽我们所能来帮助你。