He is 10 years "ahead of" / "behind" us
He’s ahead of us by at least a decade.
He’s leading us by at least ten years.
He is at least ten years ahead of us.
He’s leading us by at least ten years.
He is at least ten years ahead of us.
Take/Make a Note/ Notes / (the note for)
take a note / make a note: 紀錄 n. 筆記 to take or make a note of sth. 記下某事物 to make a note to do sth. 記下要做某事 vt. 注意到; 注意 to note that ... 注意到… it is interesting to note that ... 有意思的是，… I'll just take a note of your name and address. 我記一下你的姓名和地址。 She made a mental note of the title. 她 牢牢地記住 了標題。 Make a note to call again next week.. 一定記得下週再打電話 He never takes notes in class . His new theory is worthy of note. This is the note for sth. 這是sth的筆記 Note it on your smartphone.