1. 这事不值得大惊小怪。

[ zhè shì bù zhí dé dà jīng xiǎo guài 。 ]

It's nothing to be surprised about.

2. 他脑子里尽足奇思怪想。

[ tā nǎo zǐ lǐ jìn zú qí sī guài xiǎng 。 ]

He has many strange ideas in his mind.

3. 他们没有给我们回信，这真奇怪。

[ tā mén méi yǒu gěi wǒ mén huí xìn ， zhè zhēn qí guài 。 ]

It's odd that they didn't reply our letter.

4. 你吃这么多难怪睡不着。

[ nǐ chī zhè me duō nán guài shuì bù zhuó 。 ]

No wonder you can't sleep when you eat so much.

5. 难怪有人说电子计算机正渐渐接管世界。

[ nán guài yǒu rén shuō diàn zǐ jì suàn jī zhèng jiàn jiàn jiē guǎn shì jiè 。 ]

No wonder people say that computers are taking over the world.