*** English Shopping

Let one's hair down relax and stop feeling inhibited or shy(느긋하게 즐기다): Just let your hair down and have a good time.
Let oneself go become less constrained(자제력을 잃다; 마음껏 하다, (…에) 빠지다): He lets himself go when he sees tasty food.
Let out to increase the size of (a garment, for example)(늘리다): I had to go to the tailors to have them let out my sports jacket.
Let out to make some kind of noise or sound((울음소리·신음소리 등을) 내다): People in the dark let out a scream of terror
Let out to allow to go or run free; release((얽매이거나 관련되어 있다는 느낌에서) 풀어 주다[해방시키다]): They think the attacker was very tall?so that lets you out.