立法机关有权修改宪法。

The legislature has the authority to amend the constitution.

修改宪法需要三分之二的多数票。

Amendments to the constitution require a two-thirds majority vote.

修改宪法很困难——也理当如此。

Changing the constitution is hard—and rightly so.

它还保证了人民拥有修改宪法的办法。

It provided a way for the people to alter the constitution itself.