n.全盛期
int.嘿（喜悦、惊奇时所发声音）
In his heyday, he was a great tennis player. 他年轻力壮时, 是一位了不起的网球运动员。
By the 80s, punk rock had really had its heyday. 到了80年代朋克摇滚已过了全盛时期。
