cross the T

(historical)(of a naval force) cross in front of an enemy force approximately at right angles, securing a tactical advantage for gunnery

(史)（海军）在敌舰正前方航线成直角拦截（以占据射击有利方位）

to a T

(informal)exactly; to perfection

(非正式)精确地；完美地

I baked it to a T, and of course it was delicious.

我烘焙得恰到好处，当然很可口了。