1. She is performing in a play tonight.
她今晚在一部戏中表演。
2. The orchestra will be performing Beethoven's Symphony No. 5.
乐团将演奏贝多芬的第五交响曲。
3. The company is not meeting its targets and needs to improve its performing.
公司未能达到目标，需要改进履行情况。