逞强称能

Explanation: Showing off their talents and ability 　　Usage: Joint type; as the predicate attribute; with compliment 　　Source: Liang, "Cao Xueqin," Chapter 13: "Do not try to be brave, said the future can be, not to mention how much you have neither read poetry and literature, let alone talent." Thesaurus:  Overexert, Zhengjiang emulous, both open strife and veiled struggle, scramble for power and profit, scramble for power and profit