I know 〜 と I know about は何が違う?(★★★ 上級)


手(パー) 事実や人物は I know
手(パー) 一般的なもの(特に目に見えない事項)は I know about


【例(I know) 】

I know that man; he's Bob from the accounting department.

I know that the bus comes at 2:15.

【例(I know about) 】

I know about astronomy.

I didn't know about the holiday.