1N-COUNT 心脏病发作 If someone has a heart attack, their heart begins to beat very irregularly or stops completely. 心脏病发作
He died of a heart attack brought on by overwork.
他死于过劳引起的心脏病发作。
2N-SING [aNOUN]震惊;大怒 If you say that someone will have a heart attack about something, you are emphasizing that they will be very shocked or angry. 震惊;大怒 [informal, emphasis]