It so happened that Tom's father fell sick.

碰巧汤姆的父亲病了。

youdao

It so happened that the cellist graduated last year.

碰巧这位大提琴手去年毕业了。

youdao

I saw him yesterday, as it happens.; it so happened that I saw him yesterday.

碰巧我昨天看见了他。

《新英汉大辞典》

It happened so early in the flight, at a level of about 900 meters, that the crew had little time to decide what to do.

VOA: special.2009.01.30

That's so basic, it must have happened a million times and that's the basic idea of the stock market.

这是很基础的概念,早已屡见不鲜,而这就是股票市场的最初思想

耶鲁公开课 - 金融市场课程节选

it just so happened that two other people I know from back home transferred the same time I did.

刚好我在家认识的两个人也和我同时转过来了。

留学生的适应期 - SpeakingMax英语口语达人

Yet somehow, at several Dorchester hotels, it so happened that women were the ones assembling and deciphering for guests the wine lists.

FORBES: A Spirited Salute: The Dorchester Collection's New Women In Wine Road Trip

It so happened that included in the Digital acquisition was a business making tape drives -- descendants of those huge boxes with whirring wheels that used to personify computing in the 1960s.

FORBES: Serendigity

Or is it fair to say that they developed their soccer skill set elsewhere and it just so happened that it matched Barcelona's, which is why the club signed them?

WSJ: Youth Academies: Soccer's Nature vs. Nurture Debate