为此的英文：
for this reason
with regards to this
in this respect
in order to do this
to this end
参考例句：
To do so, he will have to resist the temptation to overreach -- the fatal mistake of many a Korean executive
为此，他得防止自己不要把摊子铺得过大，这也是许多韩国总裁曾犯过的致命错误。
Barbara went abroad on this account.
芭芭拉为此之故而出国。
Don't let this get you down.
不要为此灰心丧气。
Don't let that distress you.
不要为此苦恼。
He felt dejected because of that.
他为此而黯然神伤。
She declined to be annoyed.
她偏不为此生气。
Marking the day and the place of our parting.... When shall we meet again and where?
今朝为此别,何处还相遇?
A thermostatic bath is used for this purpose
为此目的，使用恒温浴。
You really needn't worry about that.
你真的'不必为此担心。
I must apologize for the delay.
我必须为此耽误道歉。
reason是什么意思：
n. 理由，原因，理性，理智
v. 劝说，规劝，辩论
The authority is not reasonable.
这个判例并不合理。
Reasonably adv.
适度地。
This is a potent reason.
这是一个令人信服的理由。
regards是什么意思：
n. 问候；致意
English is generally regarded as such a language.
The superstitious regard it as a bad omen.
迷信的人认为那是一种恶兆。
He is regarded with disfavour.
他不讨人喜爱。
respect是什么意思：
v. 尊重，尊敬；考虑；遵守
n. 尊敬，尊重；敬意，问候；考虑，关心；方面
To be respected encourages one to be worthy of such respect
人敬人高
He is apparently a respectable man.
他肯定是个正派的人。
She is poor but quite respectable.
她虽穷，人品却很端正。
