a big dog
a big noise
a big pot
a great swell
big boy
big bug
big cheese
big gun
big wheel
biggie
bigshot
gun
higher-up
hot-shot
hotshot
mugwump
nibs
nob
somebody
参考例句
自从作了经理之后他便俨然以一位大人物的态度对待我们。 He's been coming a VIP over us since he became the manager.
他说话的口气俨然是个大人物。 He speaks just like a VIP.
据说小李的父亲是个大人物。 It is said that Xiao Li's father is a Buzwig.