為何此處會用「relax」,而不是「be relaxed」?

母語人士的回答
Rebecca
此處的「relax」為動詞,若是替換成「be relaxed」,「relaxed」為形容詞,詞性不同。 例:I'm going to relax at home and take a bath. (我打算在家裡放鬆一下並泡個澡。) 例:She was so relaxed during the test that she started humming to herself.(她在測驗的過程中非常放鬆,還開始哼哼唱唱。)