Definition 1
adj. used about a person or group that competes against sb. or sth. else 竞争的;对抗的
rival
make sb. feel determined to do sth. or enthusiastic about doing it. 激励; 激发…的积极性
motivate
vt. 激励;激发…的积极性
motivate
v. to show or advertise sb. or sth. as the most important most obvious part 以…为特色; 把…作为重要部分
feature
vt.启发,启蒙;指导;教导
enlighten