Just as Peter started feeling sad, someone suddenly ran into him.

正当彼得开始感到难过时，突然有人撞到了他。

youdao

Suddenly I am sad to be leaving the UK with its fantastic decent, honest people like Surly.

我突然为要离开英国，以及像脸色阴沉男人那样规矩诚实的英国人而感到很伤感。

youdao

Suddenly remember the past like the word: sad to happy to prepare for more!

突然记起以前很喜欢的一句话：悲伤是为了更快乐做准备！

youdao

He seemed sad and stunned, as if the story of his life suddenly made no sense to him.

NEWYORKER: Election, Monitored