If you describe someone's behaviour or feelings as understandable, you think that they have reacted to a situation in a natural way or in the way you would expect.
例句
His unhappiness was understandable.他不高興是可以理解的。
ADJ-GRADED
（論述、理論等）容易理解的
If you say that something such as a statement or theory is understandable, you mean that people can easily understand it.
例句
Roger Neuberg writes in a simple and understandable way.羅杰·紐伯格的文章簡明易懂。
英漢詞典釋義
adv.
可理解地
understandably fearful about the future對未來的擔憂可以理解Children are sometimes understandably reluctant to wear glasses that are ugly or uncomfortable.孩子們有時不愿意戴難看或不舒服的眼鏡， 這是可以理解的。Doctors are understandably cautious about this new treatment.醫生對這個新療法很謹慎是可以理解的。