The children laughed as they built their sandcastles.

Meaning: The children were happy and having fun while making sandcastles.

Choice of Words: Children are young people, usually between the ages of 2 and 12. Laughed is the past tense of the verb laugh, which means to make a sound expressing amusement or happiness. Built is the past tense of the verb build, which means to make or construct something.

Alternative Expressions

Related Expressions