pep talk
noun [ C ] uk/ˈpep ˌtɔːk/ us/ˈpep ˌtɑːk/
鼓舞士气的讲话，激励性讲话
a short speech intended to encourage people to work harder or try to win a game or competition
The boss gave the staff a pep talk this morning in an attempt to boost sales. 为了增加销售量，老板今天早上给职员们作了一番激励性的讲话。