The dog wags its tail happily when it sees me.

Meaning: The dog is very pleased to see me, and it shows it by moving its tail quickly.

Choice of Words: Dog is a common pet animal. Wags means to move the tail quickly from side to side. Happily describes a state of being content and joyful. Tail is the long, thin part of an animal's body that extends from its back.

Alternative Expressions

Related Expressions