I wrote Humboldt a long fan letter.

我给洪堡写了一封表示崇敬的长信。

youdao

He's been a life-long fan of Ali's that at the age of 22, managed to arrange a dramatic encounter.

NPR: Boxer Muhammad Ali Turns 65

Maher, 56, a New York native who grew up in New Jersey, is an admitted life-long Mets fan.

FORBES: What If Jerry Seinfeld, Jon Stewart And Bill Maher Owned The New York Mets?

Life-long Jackson fan Milo Yiannopoulos organized the moonwalk, the singer's trademark backwards shuffle, by sending messages via Twitter and Facebook.

CNN: Jackson fans stage mass 'moonwalk' in London