感情用事的英文：
to be swayed by one's emotions; to act impetuously

参考例句：

Emotionalism muddied the meeting.
感情用事使会议混乱不堪。

He told me that I was a womanish sentimentalist, and would never do for business life
他说我象娘儿们一样感情用事，说我绝对不适于经营事业。

Don't allow yourself to be ruled by emotion.
不要感情用事。

He's always thrall to passions
他总是感情用事。

He is(in)thrall to his passions.
他是感情的奴隶(感情用事)。

A man of sentiment
感情用事的人，感情丰富的人

There's no room for sentiment in business.
做生意不能婆婆妈妈的感情用事.

There's no place for sentiment in Business.
做生意不能感情用事。

civility is not a tactic or a sentiment
谦逊有礼不是战术也不是感情用事。

We are sometimes stirred By emotion and take it for zeal
有时我们仅仅感情用事却误以为这是热忱

swayed是什么意思：
v. 摇摆；倾斜；改变；动摇；影响；统治
n. 摇摆；；摇晃；支配；统治；影响

to swing; to flicker; to sway; to waver
摇曳

Branches sway in the wind.
树枝在风里摇晃。

His speech swayed the voters.
他的演说影响了选民的决定。

one是什么意思：
num. 一；同一个、最重要的一个
det. 代替a或an，表示强调；某位（用于不太熟悉之人的姓名之前）
pron. 任何人；一个人；一个事物；其中的一个人

One, Taipei, one way.
台北单程票一张。

This one is not a spoof.
这个就不是开玩笑了。

One and one make(s) two.
一加一等于二。

emotions是什么意思：
n. 情感；情绪；激动

emotional disturbance
情绪的困扰

She is an emotional woman.
她是个易动情的妇人。

She choked with emotion.
由于激动，她的声音变得嘶哑。