Cai E (1882–1916), a prominent Chinese military leader and revolutionary; he organized the [[护国军|護國軍|hu4 guo2 jun1]] to oppose the monarchical ambitions of [[袁世凯|袁世凱|yuan2 shi4 kai3]].

To hide the edge of a sword; used to describe someone concealing their talents or sharpness to avoid drawing attention or to grow in maturity.

(literary) the sharp edge of a sword or cutting tool

towering; appearing high and lofty