"Leave me alone."
나 좀 내버려둬. (나 좀 내버려두어)
*내버려두다: leave ... alone
나 좁 (가만) 놔 둬. (나 좀 가만 놓아 두어)
* 가만 / 가만히: as is; so as not to be bothered
* 놓아 두다: 놓다 (release; let go; put) + 두다 (put; place)
In both cases, 좀 (a little) makes the sentence much smoother.