take off all one's clothes and display oneself to others
赤身裸体，一丝不挂
the basic facts about something, without any detail
基本事实；梗概
the bare bones of the plot.
情节梗概。
without
没有，缺少
the interior was bare of plaster.
内墙没有涂灰泥。
reveal one's innermost secrets and feelings to someone
袒露心灵
show one's teeth, typically when angry
（尤指愤怒）张牙咧嘴
without using tools or weapons
赤手空拳