antaa mennä

Finnish

to let go [with genitive (between the two words)] (to release from one's grasp)
to let go [with genitive (between the two words)] (to emotionally disengage or to distract oneself from a situation)
Minua jännittää hirveästi. --Anna vain mennä!
I feel so nervous. --Just let it go!
Used other than figuratively or idiomatically: see antaa,‎ mennä [with genitive (between the two words)] (to let (someone) go somewhere)
to go for it (try one's best, put one's best effort into)

See antaa. mennä is not inflected.