To criticize someone is to point out their false or mistakes. Some people appreciate constructive criticism, which can help them develop their skills.

To praise someone is to let them know they have done a great job. Some people expected to be praised when they perform well.

To apologize to someone is to admit that you have done something wrong or hurtful. One way to apologize is to say you are sorry. If your apology isn’t accepted, it means the person hasn’t forgiven you.

To order people to do something means to use your power or position to get them to do it. Many people dislike being ordered to do things. In many cases, it’s better to make a request than order someone to do something.

To encourage someone is to support their efforts and help build their confidence. A good teacher encourages students to do their best. To discourage someone is to get away their confidence.

There are many different cycles in nature, such as the cycle of seasons. A cycle is a series of events that repeat, such as the daily cycle of light and dark.

To evolve means to change or improve over a period of time. In biology, the series of evolution advanced life forms such as such as humans, have evolved from lower form of life.

A force of attraction brings two objects closer together, such as the force of gravity. A force of repulsion pushes two objects away from each other, such as the force between two electrons.

To transform means to change from one form into another. A transformation occurs when an object takes on(呈现) a new appearance or structure.

To inherit something means to get it without having to ask or work for it. A child from a very rich family may inherit a lot of money.

The number of times a cycle repeats itself within a period of time is its frequency.

Gravity is a force of attraction between two objects with mass.

It’s important not to praise people when they haven’t done a good enough job.

If someone rejects your apology, it means they haven’t forgiven you.

To forgive someone is to accept their apology.

 If someone doesn’t follow orders, he or she may be punished.

It’s discouraging to work for someone who never shows appreciation for your hard work.

The time it takes for a cycle to repeat itself is its period.