He loved making children laugh.
Meaning: This sentence describes the clown's passion for entertaining children and making them happy.
Choice of Words: Loved is the past tense of love, which means to feel a deep affection for someone or something. Making is the present participle of make, which means to create or produce something. Children are young people, typically under the age of 18. Laugh means to make a sound expressing amusement or joy. When you put them together, "He loved making children laugh" tells us that the clown enjoyed bringing happiness to children through his performances.
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