苦涩的英文：
bitter; acerbic; harsh to the taste

参考例句：

She showed a pained look.
她露出苦涩的表情。

"Now, both wine and champagne taste slightly bitter."
而现在,红酒和香槟却都是香甜之中带着些许苦涩。

Chip was rent Between the impulse to laugh wildly and a Bitterness that threatened hot tears
钱在使人狂笑的冲动和预示热泪盈眶的苦涩之间被撕得粉碎

bitter是什么意思：
adj. 苦涩的，有苦味的；难以接受的；憎恶的；严寒的
n. 辛酸，苦味，苦酒

The medicine is as bitter as gall.
这药像胆汁一样苦。

They have been racked by bitter quarrels.
激烈的争吵使他们不得安生。

The discussion deteriorated into a bitter quarrel.
这场讨论演变成了激烈的争吵。

acerbic是什么意思：
a. 酸的,尖刻的

Chou sent back an acerbic note accusing us of seeking to enmesh the People's Republic in the Vietnam problem
周恩来回复了一封尖刻的信，指责我们想把中华人民共和国纠缠到越南问题中去。

It is well known that great scholars have shown the most pitiless acerbity in their criticism of other man’s scholarship
众所周知，大学者们在学术问题上批评别人时，都是尖酸刻薄、毫不留情的。

Its role is to fill the gas and hemostasia, refine the acerbity and detumescence, and clear hotness to moisture, ill the pain.
它的作用是补气止血、酸消肿、热化湿、气止痛，并制成袋泡剂。

harsh是什么意思：
adj. 粗糙的；严厉的，严酷的；刺耳的，刺目的

in the harsh glare of the sun
在刺眼的强烈阳光里

very harsh or severe;unrelenting
严酷的;严厉的;冷酷的

Intensely irritating,obnoxious,or harsh.
讨厌的非常让人愤怒的，使人非常不快的，苛刻的