Question

it's not easy to find a person with the qualities it takes to be a hero。这里的it takes to be

a hero 我想是个定语从句。可是it 代表什么，takes 又是什么意思呢？请教高手。

Answer 1

你好。非常简单。
句子裏面第一个 it 是形式主语， 真正主语是 to find a person with the qualities 。
第二个 it 也是形式主语，真正主语是 to be a hero。takes在这里解释为：requires / needs 。to be a hero ：成为英雄。
完整的句子是：
It's not easy to find a person with the qualities (THAT / WHICH ) it takes to be a hero.
语法分析：
(THAT / WHICH ) it takes to be a hero.=== being a hero requires / needs these qualities.

Answer 2

it 为形式主语，it takes the qualities to be a hero. 如， It won't take long to be a good reader.想成为一个好读者不会花很长时间的。

Answer 3

能胜任