He suffered a massive heart attack.

他的心脏病严重发作了。

《牛津词典》

He died six weeks later of a massive heart attack.

他6周后死于一次严重的心脏病发作。

《柯林斯英汉双解大词典》

In 1995 he suffered a massive heart attack causing him to go into a coma for 20 days.

1995年他突发心脏病，昏迷达20天。

youdao

To understand the concerns of Milton's poetry, it is important to understand this massive conjunction of economic and spiritual thought that's really at the heart of English Protestantism.

想要了解弥尔顿诗歌的关注点,了解经济和精神上的联系是很重要的,这就是英国新教教义的核心。

耶鲁公开课 - 弥尔顿课程节选

"Having a massive heart attack at the age of 40, you know something is not right, " he says.

BBC: Premier League health project shows promising results

Indeed, immediately after his death, rumors began circulating that Atkins had, in fact, died of a massive heart attack.

FORBES: Atkins Nutritionals Goes Belly-Up

With his death from a massive heart attack today, Ken Lay cheated justice.

FORBES: Lay Cheats Justice