You must act in accordance with the rules.

You should act more calmly.

You are old enough to know better than to act like that.

I'll act on your advice.

You may act however you wish.

It is imperative for you to act at once.

Say what you will, I will act on my own judgement.

You must act under the leadership of your supervisor.

She sings well, to be sure, but she can't act.

We should act so as to solve the problem.

We should always act in obedience to the law.

That's a class act.

Many were eager to get in on the act.

We should so act that we shall have nothing to regret.

Watch your leader and act accordingly.

You must act more wisely.

The pump did not act as it should have.

The most instinctive act of nearly every creature is to protect its young, and with humans, this response persists for a lifetime.

I was at my wit's end as to how to act.

At last, the day has arrived for us to act.

I was almost at my wits' end how to act.

We must act at once.

The young man must have felt very desperate when he resorted to such a terrible act.

He was caught in the very act of stealing it.

It is just an act.

It is a childish act.

It is an act of folly.

Does the medicine act on the stomach?

Does the medicine act quickly?

That day was made a holiday by an act of the diet.

The student was caught in the act of cheating.

He must be a gentleman to act that way.

Nothing will excuse such an act.

The burglar was caught in the act of prying open the window.

Such an act will be judged at the bar of public opinion.

You should act on the doctor's advice at once.

These are the rules; act accordingly.

These pills act on the liver.

These pills act on the heart.

You had better act upon his advice.

If you act like a child, you will be treated as such.

Stop putting on an act.

An Englishman would act in a different way.

You should act according to your conscience.

You must act according to your principles.

It is better for you to act by legal means.

You say one thing and then act just the opposite.

If you act like a fool, you must be treated as such.

"Act now!" he said, and in addition to his obvious meaning, he hinted that there were number of other important reasons why immediate action was needed.

The police arrested the pickpocket in the act.

Now that you have made your decision, you must act.

A wise man would not act in that way.

Acids act on many things including metals.

Acids act on metals.

Children want to act like grown-ups.

The mayor prescribed to the citizens how to act.

I'll act as a guide for you.

I would act differently in your place.

We act without fear or favor.

We have to act now.

I will act on your advice.

Time is short, we must act NOW.

Jiro could not act otherwise.

Suicide is a desperate act.

The foreign minister will act for the Prime Minister in his absence.

He always talks as though he knows how to handle himself but you never know how he'll act when the chips are down.

You must judge the situation and act accordingly.

Act your place.

Were a serious crisis to arise, the government would have to act swiftly.

In humans, the eyes act together with the brain.

Did the world really act as fast as possible to meet the threat to the environment?

He was caught in the act of stealing.

You should act on your teacher's advice.

Goodness is abstract, a kind act is concrete.

On the other hand, when public officials act wrongly, Americans feel a responsibility to protest.

Who will act as spokesman?

You must act like a man.

The truly remarkable feature of sound production by birds is that the two sides of the syrinx can act independently.

The thief was caught in the act.

Animals act in a better manner than wicked humans.

Animals act on instinct.

When suddenly faced with a dangerous situation, hold your horses - make sure of the proper action, then act.

The people who live in Japan must act according to the Japanese country constitution.

There are some reasons why the Japanese find it hard to act unlike others.

The Japanese make a group and tend to act together.

Act your age.

Try to act your age.

Isn't there any way to predict how he'll act?

His act was animated by noble ideals.

His act was nothing short of superhuman.

He appointed John to act as his deputy.

He is quick to speak but slow to act.

He was caught in the act of pickpocketing.

He brought off the difficult act quite easily.

He was laughed at for a stupid act.

He committed an illegal act.

He does a kind act once a day.

He is putting on an act for you.

He is slow to decide, but he is quick to act.

He put on a suicide act.

He is trying to justify his act.