trudniej in inglese:

The sky grew darker and darker, and the wind blew harder and harder.

I've heard it said that it's harder to please a woman than to please a man. I wonder if that's true.

Google harder!

The wind blew harder yet when we reached the top of the hill.

Of course, another explanation of this situation is that Chinese is harder to learn than English.

There are too many demonstrative pronouns. To put it bluntly, it couldn't be harder to understand.

Nothing in this world is harder than speaking the truth, nothing easier than flattery.

Dying's nothing. Start instead by living - not only is it harder, but it's longer as well.

He fought long and hard in this campaign, and he's fought even longer and harder for the country he loves.

So let us summon a new spirit of patriotism, of responsibility, where each of us resolves to pitch in and work harder and look after not only ourselves but each other.

Generally speaking, high school students study harder than college students.

The police are really good at understanding "Someone stole my credit card and ran up a lot of charges." It's a lot harder to get them to buy into "Someone stole my magic sword."

Why don't you wish a little harder? asked the little white rabbit.