COLIN Powell was the director of the army because his attacks were so crafty.
attack - specifically, something which has been planned in advance. Not a bar-room brawl. You could use it about an army attack, but also about a fencer who deliberately chooses a certain attack-style to defeat her opponent.
A military-style massive, planned attack.
college major, field of study
|に 侵攻 する|
|改||renew / improve||MYSELF||己|
She's skillful with her PIRATE HOOK.
He's successful because of his STRENGTH.
The attack was CRAFTY.
I want to renew and improve MYSELF.