海阔天空的英文：
[Literal Meaning]
sea/vast/sky/spacious
to be as boundless as the sea and sky

[解释]
像大海和蓝天一样广阔。比喻说话、议论漫无边际。也形容性格豪放、不拘小节。

[Explanation]
to be unrestrained and far-ranging

[例子]
你不应该只呆在这个小城市里一直到老，外边海阔天空，你应该去见识一下。

[Example]
You should not just stay in this small town. It is unrestrained and far-ranging outside and you shall go out to have a look.

Jim is discussing anything under the sun with Paula.(anything under the sun:任何事情)
吉姆在与葆拉海阔天空,无所不谈