This is your pocket guide, though it won't fit in anything except your cargo pants.

虽是袖珍指南，却无处可放，除了休闲裤。

youdao

You are good to go, especially if you have thought through the completion of your plan, for this is no time to be flying by the seat of your pants.

这是前进的好时候，尤其是当你彻底想清楚如何完成你的计划，因为现在可不能凭感觉行事了。

youdao

This is management of the Senate by the seat of your pants.

CNN: Republicans Pressure Reno For Independent Counsel

Try this thought experiment: Your smarty-pants car is fitted with something called intelligent speed adaptation.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car