难怪的英文：
no wonder

参考例句：

No wonder she looked so dour.
难怪她看上去如此严厉。

His extravagance explains why he is always in debt.
他挥霍无度,难怪总欠债.

It's no wonder you've got so much stamina.
难怪你精力这么充沛。

No wonder now you are reaping the deserved reward!
难怪现在你收获应有的回报！

"No wonder the watch was so cheap, it already quit working."
"难怪手表那么便宜,它已坏了。"

No wonder,information is sometimes called the lifeblood of a control system.
难怪信息有时称作为控制系统的生命线。

It is not surprising that many truckers worry about gaining weight
难怪许多司机都担心会发胖。

How cold and gloomy it is in here.No wonder you had a nightmare.
这儿是这样的寒冷和阴暗，难怪你做了恶梦。

When he ran for reelection he got about two thirds of the vote
难怪他再次竞选州长时，得了三分之二的高票。

He had made a thorough investigation. No wonder he knew so much about it.
他进行了彻底的调查，难怪他对此事了解很多。

wonder是什么意思：
n. 惊奇；惊奇；惊异；奇迹；奇观；能人；奇才
v. 想知道，想弄明白，琢磨；对…感到惊奇，惊叹

You are punctual for a wonder.
你居然准时到，真让人想不到。

It was a wonderful satire.
那是一种绝好的讽刺。

There was a look of wonder in his eyes.
他眼中露出惊奇的神色。

I wonder if she is ill.
不知她是否病了。

Wonders will never cease.
奇事层出不穷。