~なければならない (must)

We must learn to live together as brothers, or we will perish together as fools.

Love is like measles — everyone has to catch it once.

The plant called friendship needs constant watering.

Once you join a company, whether you want to or not, you have to work for the company.

It's hard to choose what's right and what's wrong, but you have to choose.

A good ball boy or girl has to be able to concentrate and run fast.

You'll need to answer questions flexibly in the interview, I'd say.

Books and friends should be few in number and good in quality.

Violence must be eliminated.

Kunio wouldn't try to improve his vulgar table manners, so we had to put up with them.

I've ended up having to take care of my mother.

Just because my father is a doctor doesn't mean I have to become one too.

He made up a story about having to go home to visit his sick mother.

She had to make her son withdraw from the club.

Not only does she have to attend the funeral, she has to make all the arrangements.

She had to choose her words carefully.

She had to accept her fate.

She had to make her own clothes herself.

She got sick on her day off and had to find a doctor.

She dreaded having to tell him what had happened.

She has to take care of that elderly man.

The side that has been put in check must escape the king or use other methods to block it.

A website's tagline should make it clear what the company does and what sets it apart from its competitors.

One way or another, I have to wrap this job up within a month.

However, it's going to become necessary to factor in other things as well.

The train was so crowded that I had to stand the whole way.

Since there were no trains, we had to walk the whole way.

Because of the storm, we had no choice but to stay home.

You can't make an omelet without breaking eggs.

You'll have to study more next year.