[] something such as money that encourages people to work or try hard促进因素；激发因素◆His confidence in my abilities was a huge motivator.他对我的能力有信心，这对我是莫大的激励。a person who is good at encouraging others to work or try hard激励者◆A team leader has to be a teacher and a motivator.团队领导必须善于指导和激励他人。