tenderfoot

beginner, debutant, fledgling, initiate, newbie, noob, novice, tenderfoot, tiro, tyro.

初学者，初学者，新修道士（修女），新手，菜鸟。

He's a tenderfoot. So you'd better walk him through doing the marketing.

他是新手。所以你最好一步一步来教他做市场营销。

I guess he is a business tenderfoot.

我猜想他是生意场上的新手。