Brush teeth properly.

Meaning: This means to clean your teeth using a toothbrush correctly or appropriately to remove food particles and plaque that can cause tooth decay. It's like saying, Brush your teeth using small circular motions and be sure to brush the front, back, and top of each tooth to keep them healthy.

Choice of Words: Brush is a verb that means to clean something using a brush. Teeth are small, hard structures in the mouth that are used for biting and chewing food. Properly means that something is done correctly or appropriately. Together, "Brush teeth properly" means to clean your teeth using a toothbrush correctly or appropriately.

Alternative Expressions

Related Expressions