1.I think that she's really undefinable; I know that sounds quite - like an odd thing to say, but it's very hard to figure out what she was.
我认为对于她真的很难下定义；我知道那听上去相当-说出来会很奇怪，但是很难搞清楚她是什么。
2.The magical photograph attempts to go beyond the immediate context of the recorded experience into realm of the undefinable.
具有魔幻般的照片试图超越媒体本身，从而将记录的体验放在一个难以界定的领域之中。
3.An undefinable something about the room seemed to suggest masculine habitation.
这个屋子有种说不清的东西，似乎暗示这里有男人居住。
4.It is undefinable as a passion.
它作为一种激情是无法加以解说的。