1. My wife's having an affair.
我妻子有外遇。
還能這樣說：
My wife's secretly dating someone else.
My wife's cheating on me.
諺語：
Have but few friends though many acquaintances.
朋友要少，熟人要多。
2. She is having an affair with her boss.
她和老板有曖昧關(guān)系。
還能這樣說：
She is intimate with her boss.
She and her boss maintain an uncertain attitude.
3. She often fools around with a married man.
她經(jīng)常和一有婦之夫鬼混。
還能這樣說：
She often runs with a married man.
She often hangs out with a married man.
應(yīng)用解析：
The earth moves around the sun.
地球圍繞太陽轉(zhuǎn)。
4. They had a passionate affair for three years.
他們的婚外戀情持續(xù)了3年。
還能這樣說：
They had an extramarital affair for three years.
They had a three-year extramarital affair.
應(yīng)用解析：
passionate的意思有：易激動的；多情的；易怒的，性情暴怒的；熱情的，熱烈的。
例如：They are passionate about education. 他們熱愛教育事業(yè)。
5. He admits to an extramarital affair.
他承認了自己曾與別人發(fā)生過婚外戀。
還能這樣說：
He acknowledges that he has an extramarital affair.
He admits of his mistake of having an affair.
應(yīng)用解析：
admit defeat 服輸，甘拜下風；
admit date 入院日期；
admit impediments 承認障礙；
admitting that 雖說，即使
6. This affair led to their divorce.
這段婚外情導(dǎo)致了他們的離婚。
還能這樣說：
They lived apart due to extramarital affair.
Extramarital affair resulted in their divorce.
諺語：
You can lead a horse to water, but you can't make him drink.
師傅領(lǐng)進門，修行在個人。
7. How can you cheat on me, when I have loved you so much?
我是那么愛你，你怎么可以對我不忠？
還能這樣說：
As I loved you so much, how can you be unfaithful to me?
How can you have infidelity for me, when I devote so much love to you?
應(yīng)用解析：
cheat sb. (out) of money 騙某人的錢；
cheat the customs 混過海關(guān)；
cheat the journey 消磨旅途的寂寞；
cheat the weary night 消磨長夜
8. It looks like those two are up to something.
最近那兩個人怪怪的，關(guān)系曖昧。
還能這樣說：
They seem to play around with each other.
They look strange and intimate.
應(yīng)用解析：
be on the up-and up 越來越好，蒸蒸日上；
be up to sb. 是某人的責任和義務(wù)；由某人決定；
not be up to much 值不了多少，不太好
9. Immature woman abuses the husband's mistress when he was unfaithful.
不成熟的女人在懷疑丈夫有不忠誠的時候謾罵小三。
還能這樣說：
Immature woman would abuse some other woman who has extramarital affair with her husband.
Immature woman hurls invective at the husband's mistress when he has disloyalty.
應(yīng)用解析：
abuse one's privilege 濫用特權(quán)；
abuse a friend 辱罵朋友；
emotional abuse 情緒虐待，冷暴力
10. His wife suspected that he had a mistress.
他妻子懷疑他有情婦。
還能這樣說：
His wife had doubt that he had an affair with someone else.
His wife was suspicious of his infidelity.
應(yīng)用解析：
suspect sb. of sth. 疑心某人干某事；
suspect sb. of a crime 懷疑某人犯罪；
suspect sb.'s motives 懷疑某人的動機