embarrassing：令人尴尬的 Something that is embarrassing makes you feel shy or ashamed.
如：His jokes didn't even raise a smile, which was embarrassing. 听了他讲的笑话，都没人笑一下，真是太尴尬了。
embarrassed：尴尬的 A person who is embarrassed feels shy, ashamed, or guilty about something.
如：Mary was so embarrassed. She could only hide her face in shame. 玛丽感到特别难堪，她恨不得找个地缝钻进去。