adj.苦的；痛苦的；辛酸的；激烈的
adv.激烈地；极其
vt.使变苦
n.苦涩；苦酒；苦的东西
The medicine has a bitter taste. 这药有苦味。
The defeat was a bitter pill to swallow. 那次失败是一次难以吞咽的苦果。
She wept bitter tears over the loss of her lover. 她为失去了她的情人而流下痛苦的眼泪。
Her voice took on a sudden bitter note. 她的声音带着一股出意料的辛酸语气。
His story brought back our bitter past . 他的事使我们想起辛酸的往事。
The bitter quarrel ended their friendship. 那场激烈的争吵结束了他的友谊。
用作副词 (adv.)He is bitter in his condemnation of terrorism. 他言辞激烈地谴责恐怖主义。
It has stopped snowing, but there's a bitter cold wind. 已经停止下雪啦,不过,还刮着刺骨的寒风。
用作及物动词 (vt.)Green tea, unlike black tea, has not been oxidized and can easily turn bitter if not made properly. 绿茶与红茶不同，没有经过发酵氧化，如果处理不当很容易发涩变苦。
The star is called Wormwood, and a third of the waters was turned into wormwood and many people died because of the water which had turned bitter. 于是水的三分之一变成苦的，许多人因水变苦了而死去。
用作名词 (n.)He has tasted the sweets and bitters of life. 他已尝遍了人生的甜酸苦辣。
A pint of bitter, please. 请来一品脱苦啤酒。
I like the coffee to taste a little bitter. 我喜欢喝起来有点苦的咖啡。
bitter是五味之一,主要指奎宁等药物的苦味,也指啤酒、橘皮等的苦味,即“苦味的”,这种不合意的味道渗透力强,持续时间长,难以躲避。bitter还可指“难以接受的,引起悲伤的”“怨恨的,失望的”“严寒的,刺骨的”。
bitter在句中可用作定语或表语。
more bitter和most bitter是比较常用的比较级和最高级形式，但也可用bitterest。
n.(名词)bitter用作名词时意思是用蛇麻子调味的苦啤酒。多用于英式英语中。
bitter是不可数名词,无复数形式。
“一杯苦啤酒”可说a cup〔glass〕 of bitter，也可说a bitter。
