A singer singing in the stage without nervous means he is confident.

一个歌手在舞台上唱歌没有感到紧张意味着他有信心。

youdao

One evening Charlie happened to be in the theatre watching his mother singing on stage.

一天晚上，查理碰巧在剧院里看他母亲在台上唱歌。

youdao

An opera singer, for example, neither dances nor speaks on stage; there are no singing or dancing parts in a modern play; in a dance drama, the dancer doesn't speak or sing.

例如，歌剧演唱家在舞台上既不跳舞也不说话；现代戏剧中并没有唱歌或跳舞的角色；在舞剧中，舞者既不说话也不唱歌。

youdao

This emphasis on lighting and the crowd culminated in the final execution scene: The nuns, wearing white shifts, spread out across stage, singing "Salve Regina" under brilliant light.

WSJ: Two 20th-Century Works That Still Shock and Awe | By Heidi Waleson | Salome | Dialogues des Carm��lites | Canadian Opera Company | Metropolitan Opera | Francis Poulenc | Richard Strauss | Atom Egoyan

Love has taken to the stage since she was a Los Angeles teen-ager singing in her gospel choir.

NPR: '60s Singer Darlene Love Takes on 'Hairspray'

After an audience had gathered at a posh Bombay hotel in April, Shiv Sena activists entered the auditorium, occupied the stage and began singing party songs.

CNN: BOMBAY'S CULTURAL WARS