A friend who taught me right from wrong, And weak from strong.

这个朋友教我明辨是非， 从善去恶。

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A friend of mine, who teaches at a private secondary school, told me that though she'd been taught English from Grade 6, most of what she knew came from her own study.

一位在私立中学任教的朋友告诉我，虽然她从6年级开始学英语，但她的大多数英语是自学的。

youdao

One person who taught me a great deal about being fearless was my childhood friend, Jennifer Goodman Linn, a Duke and Harvard Business School graduate and marketing executive who, this week, at just 40 years old, lost her seven-year battle with a soft tissue cancer called sarcoma.

FORBES: What Does it Mean to Be Fearless?