She decided to persist with her studies even though they were difficult.

To remain steadfast in a course of action despite difficulty or opposition.
He will persist in his efforts.
Please persist with your plan.
They persist through the storm.
persist in
persist with
persist through
continue
persevere
endure
Her persist in studying paid off when she got the scholarship.

the quality of continuing steadily despite problems or difficulties
Persistence is key to success.
Show some persistence.
Her persistence paid off.
show persistence
great persistence
with persistence
tenacity
determination
perseverance
The old building continued to persist despite the harsh weather.

To continue to exist or endure over a prolonged period.
She will persist in her efforts.
The rain persisted all day long.
He persisted in asking questions.
persist in
persist with
persist through
continue
endure
remain