艰苦 Englisch:

Study hard.

A pick is a long handled tool used for breaking up hard ground surfaces.

The hard rain spoiled our hike through the woods.

Mary has a bad back. It's hard for her to lift things.

I'm sure it wouldn't be too hard to find another place to live.

He's somewhat hard of hearing, so please speak louder.

It is hard for an old man to change his way of thinking.

His success is attributed more to hard work than to genius.

Whether you succeed or not depends on how hard you study.

A chance to do as we please, especially to do as little hard work as possible, is a secret desire of almost everybody.

Please don't boil the eggs so hard.

Many people in these parts have fallen on hard times.

Just staying alive in these times is hard enough.

My heart is pounding so hard it feels like it's going to explode.

The reason for your failure is that you did not try hard enough.

It's too difficult.

It may seem like a minor thing to you, but for a lot of people this is really difficult to do.

Last night was very hot and muggy and it was difficult to sleep.

After a certain point, everything became a little more difficult.

It is difficult to love somebody when it's not clear whether or not the other person loves you the same way.

A good password should be difficult to guess, but easy to remember.

I agree with the ban in principle, but in practice it will be extremely difficult.

Anyway, I'm glad you were able to broach this difficult subject.

It's not as difficult to find a native speaker to help you with your language studies as it used to be.

Getting food to Fort Sumter would be a very difficult job.

A person who makes an easy matter sound difficult does not seem to be so smart.

Cutting a cake into equal pieces is rather difficult.

We're studying chemistry. Our lessons aren't difficult.

He just naturally avoids everything that is intense, difficult or strenuous.

In legal documents, difficult words and phrases are often used.