We developed the product through trial and error.

To err is human, but to learn from errors is wisdom.

The United Nations aims to maintain the balance of power among its member states.

During the 20th century, the United States and the Soviet Union were engaged in a cold war.

The debate about cultural differences is often seen as a clash of civilizations.

Before starting the project, he always says measure twice, cut once.

Don't worry about the challenges now, we will cross that bridge when we come to it.

After weeks of preparation, it's time to put the plan into action.

The officer was able to bust someone for selling drugs.

He decided to cop a plea and serve a shorter sentence.

After the investigation, he was found to be in the clear.

The officer was on the beat when he spotted the suspect.

She can read him like a book and always knows when he's lying.

Can you keep an eye on the kids while I'm cooking?

I enjoy eating out once in a while, but I prefer home-cooked meals.

Developers love to see what’s under the hood of a new app.

She was the driving force behind the project.

Sometimes a leader must show who's boss.

His opinion carries a lot of weight in this organization.

The manager's speech set the tone for the meeting.

He's the big cheese in the company.

The chairperson called the meeting to order at 10 AM.

He blew his top when he found out about the mistake.

After losing his job, he was almost on the breadline.

The students quickly latched onto the new study app.

We need to iron out the payment details before signing.

The coach asked the team to key in on their defensive mistakes.

Please pair up with a partner for the lab experiment.

We should pack up and head home before the storm starts.

I'll sleep on it and let you know my answer tomorrow.