one-step-at-a-time
adverbUK /wʌn stɛp ət ə taɪm/
US /wʌn stɛp æt ə taɪm/
Doing things slowly, one small part after another.
She learned to ride her bike one step at a time.
OTHER MEANINGS
2. Doing one action before starting the next.
Follow the recipe one step at a time.
3. Making progress in small, careful amounts.
He saved money one step at a time.
4. Not rushing or doing everything at once.
Take the test one step at a time.