Vocabulary
정신을 차리다
to come to one's senses; pull oneself together
Meaning
정신을 차리다 — to come to one's senses; pull oneself together
Why this form?
깨어나다 — wake up : emerge from sleep or unconsciousness; 정신을 차리다 means come to one’s senses or regain composure, even without sleeping.
Natural usage
Learn this as a unit: translating each component literally does not always give the intended meaning.
Forms not to confuse
깨어나다
그는 소리를 듣고 깨어났어요. — He woke up when he heard a noise.
Examples
제발! 정신 차려요!! — Please! Come to your senses!
정신 차리고 다시 시작해요. — Pull yourself together and start again.