the commanding officer 《略: C.O.》.
appear on the stage [【形式ばった表現】 before the footlights]
活動の舞台
【形式ばった表現】 one's sphere of activity
the backstage
舞台裏で[の]
maneuverings [dealings] behind the scenes
the performing arts
a stage [theatrical] career
舞台度胸がない
読み方 ぶたい
The stage; the boards:(転用すれば)(one's) stage of operation, field of action, sphere of activity