behave in an unduly familiar manner towards a person
过分亲昵，过于随便
you've taken too many liberties with me.
你对我太随便了。
treat something freely, without strict faithfulness to the facts or to an original
随意改变，自由处理
the scriptwriter has taken few liberties with the original narrative.
剧本作者对原作故事仅作了个别的自由处理。
venture to do something without first asking permission
擅自做某事
I have taken the liberty of submitting an idea to several of their research departments.
我已自作主张地向他们的几个研究部门提出了一个想法。
Not in confinement or under constraint; free.
自由：不受约束的或不受限制的；自由的
Not employed, occupied, or in use.
空闲的，不占用的或不被使用的