If you describe an idea as unpalatable, you mean that you find it unpleasant and difficult to accept.
例句
It is an unpalatable fact that rape makes a good news story...強(qiáng)奸事件成了新聞報(bào)道的好素材，真是令人難以接受。It was only then that I began to learn the unpalatable truth about John.直到那時(shí)我才開(kāi)始了解到有關(guān)約翰的一些令人難以接受的實(shí)情。
ADJ-GRADED
難吃的；不可口的
If you describe food as unpalatable, you mean that it is so unpleasant that you can hardly eat it.
例句
...a lump of dry, unpalatable cheese.一塊干巴巴、難以入口的奶酪
英英詞典釋義
Adjective
1. not pleasant or acceptable to the taste or mind;