1、because：
意思：conj. 因?yàn)?/p>
例句：because of sth/sb：因?yàn)槟呈挛?某人
because of the weather 由于天氣的緣故
It's all because of him! 這全都是因?yàn)樗?/p>
all because of sb/sth 都是因?yàn)槟橙?某事物的緣故
2、for:
意思：conj. 因?yàn)椋挥捎?prep. 為，為了；因?yàn)椋唤o；對于；關(guān)于；當(dāng)作
例句：
He would do nothing, for he knew there was nothing whatever he could do.
他什么事也不打算做，因?yàn)樗靼讻]有他能做的事。
He had a great desire to have a home of his own, for he had always lived with my grandmother.
他強(qiáng)烈渴望擁有一個(gè)自己的家，因?yàn)樗恢焙臀易婺缸≡谝黄稹?/p>
3、on account of：
意思：phr. 由于；因?yàn)椋粸榱?/p>
例句：
The meeting was postponed on account of the chairman's illness.
由于主持人生病，會議延期了。
On account of his extravagance he was plunged into heavy debt.
由于揮霍浪費(fèi)，他負(fù)債累累
4、since：
意思：conj. 從...以后；自...以來；由于；既然 adv. 此后；后來 prep. 自...以后；從...以來
例句：
We thought that, we'd stop by and see them since we were in the area.
我們想，我們就該順便去看看他們，因?yàn)橐呀?jīng)到了這個(gè)地方，。