feeling和affection emotion的区别

affection除友爱, 爱情, 外还有“影响, 疾病, 倾向”的意思，其用法如下：
施加影响的动作; 受影响的状态

the object of one's affections
所钟爱的人, 意中人
rheumatic affection
风湿病
secondary affection
继发病(变)
social affection
社会情感

习语：fix one's affections upon sb. 钟情于某人
gain sb.'s affection [affections] 得到某人的爱情
have an affection towards 深爱着
set one's affections upon 倾心于...; 对...有好感

feeling：触觉; 感觉; 知觉
feeling of superiority
优越感
show much [no]feeling for
对...深表[毫无]同情
a man of fine feeling
会体谅人的人
have a feeling for music
对音乐有感受力
It is my feeling that things are not so simple.
我感觉事情并不那么简单。

习惯用语： feeling in the bones 一种直觉的想法
appeal to sb.'s better feelings 诉诸某人的良心
be dead to all feeling 麻木不仁; 全无心肝
be lost to all feeling 麻木不仁; 全无心肝
enter into sb.'s feelings 表同情, 体谅
entertain a feeling against sb. 对某人怀有恶感
fellow feeling 同情心 共同的利害观念
good feeling 好感
have a feeling 预感到
have (a) feeling for 对...有体会; 对...有感受力
have a feeling of (that) 觉得
have mixed feelings 悲喜交集
have no feeling (for) 没有同情心 失去感觉, 麻木 心平气和
hurt sb.'s feelings 伤某人的感情, 冒犯[触怒]某人
ill feeling 恶感, 反感
Monday-morning feeling 星期一工作不起劲的情绪(由于星期日玩得太利害)
one's better feelings 良心, 天良
relieve one's feelings 发泄感情; 泄愤
spare sb.'s feeling s 不伤害某人的感情
strong feelings 强烈的感受性 强烈的反感, 愤慨

emotion 情绪, 情感, 感情
Love, hatred, and grief are emotion.
爱、恨、悲伤都是感情。
感动；激动

His voice shook with emotion.
他的声音因激动而颤抖。

区别：feeling 指 “生理上受到刺激产生的感觉,或对某事的主观的强烈的反应”; 作“感情”解时,常用复数,如:

I never like to hurt people's feelings.
我从不愿意伤害别人的感情。
emotion指“精神上极强烈的感情”, 如:

The girl was overwhelmed with emotion and couldn't speak for a moment.
这女孩非常激动, 一时说不出话来。

自我感觉姐妹之间的感情用“the affection between sisters”比较好