take one's seat

sit down, typically in a seat assigned to one

就座（尤指坐在指定的位置）

by the seat of (one's) pants&I{【俚語】}

In a manner based on intuition and experience rather than method

憑感覺：基于直覺和經驗而不是條理的方式

He ran the business by the seat of his pants.

他憑經驗和直覺做生意

Without the use of instruments

不用工具

an inexperienced pilot who had to fly the aircraft by the seat of her pants.

一個不得不徒手駕駛飛機的無經驗的飛行員