决心 + 要 + Verb
The word 决心 (juéxīn) means 'determination' or 'to be determined,' and can function as both a noun and a verb. When used as a verb, it is often followed by 要 plus another verb to express a firm resolve to do something.
她决心要在三十岁之前学会三门外语。
tā juéxīn yào zài sānshí suì zhīqián xuéhuì sān mén wàiyǔ.
She is determined to learn three foreign languages before she turns thirty.
他下定决心辞掉工作去创业。
tā xiàdìng juéxīn cídiào gōngzuò qù chuàngyè.
He made up his mind to quit his job and start a business.
只要有决心,什么困难都能克服。
zhǐyào yǒu juéxīn, shénme kùnnán dōu néng kèfú.
As long as you have determination, any difficulty can be overcome.