Question

She is a legend for sure and an idol for all sportswomen to look up to(use not only...............but also).

Answer 1

After using "not only, but also the sentence changes into:

She is not only a legend for sure but also an idol for all sportswomen to look up to.

In the above sentence the first statement leads us into the second statement, the first statement builds into a bigger degree in the second statement.

Answer 2

She is not only a legend for sure but also an idol for all sportswomen to look up to.

These kinds of sentences are called parallelism.

The meaning of this sentence is that the words actually following two parts of the correlative conjunction such as but also and not only.

They should belong to the similar parts of the speech.