1. 轻松；不受拘束
2. 绝对坦白；毫不隐瞒；毫不保留地诉说

On holidays, we like to go to the forest cabin and let it all hang out.
在假日，我们喜欢去森林小屋完全放松一下。
We appreciated Mother more after she got angry and let it all hang out.
如果母亲生气了，又毫不隐晦她的怒火，我们会更感激她。

hang it out let things go hang hang-out hang out let-out let out Let it be. Let's face it. let it pass all hell let loose hang out false colours hang it out let things go hang hang out let out let-out let it work itself Let's face it let sb have it Let it be let it slide let it go at that