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(yǔ)】}

In a manner based on intuition and experience rather than method

憑感覺(jué)：基于直覺(jué)和經(jīng)驗(yàn)而不是條理的方式

He ran the business by the seat of his pants.

他憑經(jīng)驗(yàn)和直覺(jué)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(gè)不得不徒手駕駛飛機(jī)的無(wú)經(jīng)驗(yàn)的飛行員