同仁演讲时英语可以翻译为"a colleague giving a speech"。
这个短语来自英语中的两个单词"colleague"和"speech"。"Colleague"是指与自己在同一单位、机构或行业工作的人，常常用来指同事或同僚。"Speech"是指口头的演讲或演说，可以用来描述一个人正在公开场合陈述观点或发表意见的行为。
下面是一些例句：
My colleague is giving a speech at the conference next week. (我的同事下周将在会议上发表演讲。)
She is an expert on the topic and is well-prepared for her colleague's speech. (她是这个主题的专家，并且为她的同事的演讲做好了充分准备。)
The colleague giving the speech was nervous at first, but she did a great job. (最初演讲的同事有点紧张，但她做得很好。)
这个短语来自英语中的两个单词"colleague"和"speech"。"Colleague"是指与自己在同一单位、机构或行业工作的人，常常用来指同事或同僚。"Speech"是指口头的演讲或演说，可以用来描述一个人正在公开场合陈述观点或发表意见的行为。
下面是一些例句：
My colleague is giving a speech at the conference next week. (我的同事下周将在会议上发表演讲。)
She is an expert on the topic and is well-prepared for her colleague's speech. (她是这个主题的专家，并且为她的同事的演讲做好了充分准备。)
The colleague giving the speech was nervous at first, but she did a great job. (最初演讲的同事有点紧张，但她做得很好。)