很多人觉得中文很难，实际上只要坚持就能学好。

Hěn duō rén juéde Zhōngwén hěn nán, shíjìshang zhǐyào jiānchí jiù néng xuéhǎo.

Many people think Chinese is very hard, but actually as long as you keep at it, you can learn it well.

这家饭店看上去很小，实际上里面有很多桌子。

Zhè jiā fàndiàn kànshangqu hěn xiǎo, shíjìshang lǐmiàn yǒu hěn duō zhuōzi.

This restaurant looks small, but actually there are many tables inside.

我以为这道题很难，实际上几分钟就做完了。

Wǒ yǐwéi zhè dào tí hěn nán, shíjìshàng jǐ fēnzhōng jiù zuòwán le.

I thought this question was very hard, but actually I finished it in just a few minutes.