: to die because of (something)死于 -
My uncle died of cancer.我叔叔死于癌症。
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She died of old age.她寿终正寝。
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They say that he died of a broken heart.他们说他因伤心而死。
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I almost died of embarrassment. [=I was extremely embarrassed]我都快尴尬死了。
◊ People often say that they are dying of something that causes a lot of discomfort, distress, etc.…得要死（常指极度不舒服、痛苦等）