resolutely; boldly; decisively
Used when someone makes a firm decision and acts with courage, often after hesitation. Implies a deliberate, sometimes daring, step.
I resolutely quit my job and started my own business.
彼女に思い切って告白した。
I boldly confessed my feelings to her.
I took the plunge and bought a new computer.
I worked up the courage and confessed my feelings to her.
I made the bold decision to move to the countryside.