When singing "Suddenly This Summer" on a national karaoke song, you should choose some words or phrases related to the song to express your emotions, such as: - [Missing: Expressed the longing for the deep feelings between the protagonists.] - [Perseverance: Expressed the protagonist's determination and persistence in adversity.] - Courage: It represents the hero's courage and fearlessness in the face of difficulties. - [Beautiful: Expressed the beautiful nostalgia for the good memories between the protagonists.] - [Youth: Expressed the cherishment and nostalgia of the youth.] He could also combine the melody of the song and the image of the lyrics to create his own singing and expression to make the whole song more lively and interesting.