All at once it began to rain heavily.
突然间下起大雨来了.
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The clouds above us say that it will rain heavily soon.
头顶上的云层预示着一场大雨即将来临.
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No sooner had I gone home than it began to rain heavily.
我一回到家里,就开始下起飘泼大雨来.
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Soon it began to rain heavily.
不久雨就下大了.
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Soon It'started to rain heavily.
很快地开始下大雨了.
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We were about to leave there when it began to rain heavily and suddenly.
就在我们要离开时,天突然下起了大雨.
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Shortly after they started their walk home , though, it began to rain heavily.
不过就在启程返家没多久, 开始下起了大雨.
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