他们的友谊发展成了爱情。

Their friendship blossomed into love.

《牛津词典》

他们的友谊很快发展成为爱情。

Their friendship soon deepened into love.

《牛津词典》

我想要可能发展到更深层关系的友谊，但我不想太快做出承诺。

I'd like a friendship that might lead to something deeper, but I wouldn't want to commit myself too soon.

《柯林斯英汉双解大词典》

It was a very, very important part of maintaining the friendship bounds that started at the beginning of the 12-week course and they will take them going forward.

这是维持友谊关系,至关重要的一步,为期12周的课程开始时,他们建立了友谊,而今后它将进一步发展。

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