If we can get our foot in the door, that can help us build our market.

如果能获得这个机会，对我们开拓市场就会有所帮助。

《柯林斯英汉双解大词典》

I always wanted to work in TV but it took me two years to get a foot in the door.

我一直想做电视工作，但花了两年才进了这个圈子。

《牛津词典》

This technique is known, somewhat informally, as the “foot in the door technique”.

这个技巧是大家熟知的，这种说法有点不正式，应该是“脚在门里技巧”

youdao

In foot-in-the-door, the salesman asks for a little commitment (the foot in the door), followed by a larger commitment (the salesman squeezes through the door).

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So gaming would be the foot-in-the-door for a lot of people.

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Without the writing, no foot-in-the-door job in John F.

NEWYORKER: Politics and Prose