I was so frightened that I ran fast.

我很害怕，所以跑得很快。

youdao

I ran fast so that I may catch the train.

我赶快跑为的是要赶上火车。

youdao

I ran fast so that I can catch the early bus.

我飞快地跑是为了赶上早班车。

youdao

I ran so far so fast that pretty soonI was all by myself, which was a bad thing.

VOA: standard.other

College ran by real fast 'cause I playedso much football.

VOA: standard.other

"I could have caught it if I ran fast enough, " he said.

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But no matter how fast I ran, I always had to go back home.

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The first month the money dwindled so fast on little things like a pacifier and a surprise fee from the bank that I nearly ran out two weeks in.

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