This is the 127th most frequent Chinese word.
作
"作" means "to do," "to make," "to act," or "to produce."
In this sentence, '作' is used as a verb meaning 'to compose or perform' in the context of presentation or speech.
他正在作报告。
He is giving a report.
In this context, '作' is used as part of an expression to indicate performing an action, combined with '恶' to denote doing something bad.
请不要作恶。
Please do not commit evil.
Here, '作' acts as a verb that means 'to create or make,' emphasizing the creation of an object or artwork.