Как я понимаю, смысл фразы в том, что их заставили спрятаться.

Поэтому подойдёт "заставили зарыться в землю", "найти укрытие", "спрятаться в сарае", "сидеть в окопах" или "в овраге", то есть ближе к "прижали к земле".

"Они прижали нас" - тут ближе к тому, что их прижали к стенке, поставили в трудное положение, это другой оттенок, он, на мой взгляд, не очень подходит.

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Цитаты из разных источников

""Damn it, now they got us holed up in here".
https://books.google.ru/books?id=DEkcAwAAQBAJ - книга Live! From Planet Earth: Stories

«“Lois, they’ve got us holed up in a…” the role of polite guest forbade my calling it a cage “…a literal fortress in the remotest freezing corner of the Andes».
https://catwoman-cattales.com/ct/41-identityelement.pdf

"Instead Nolan's got us holed up in some ship going to the Galaxy's chief Custard".
https://boards.theforce.net/threads/njo-purges-ii-the-bigsho...

"Great! They've got us holed up here... we can't leave the building without them getting to us".
https://wiki.flexiblesurvival.com/w/Round_Mountain_Blues

"I've got us holed up in a place where I can see them comin'".
http://pawfectmanners.com/m7fc/stories/rescuedfic/Aussielass...

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Hole up - https://www.multitran.com/m.exe?l1=1&l2=2&s=hole up


Hole up:

in British English
1. (of an animal) to hibernate, esp in a cave
2. informal to hide or remain secluded
in American English
1. to hibernate, usually in a hole
2. to shut oneself in
3. to hide out
https://www.collinsdictionary.com/dictionary/english/hole-up

- to hide out in or as if in a hole or cave
- to place in or as if in a refuge or hiding place
https://www.merriam-webster.com/dictionary/hole up

- Hide oneself.
https://www.lexico.com/en/definition/hole_up

- If you hole up somewhere, you hide or shut yourself there, usually so that people cannot find you or disturb you.
[informal] (His creative process involves holing up in his Paris flat with the phone off the hook.)
https://www.collinsdictionary.com/dictionary/english/hole-up

- to stay in a safe place, often as a way of avoiding something or hiding from someone
https://dictionary.cambridge.org/dictionary/english/hole-up-...

- if you hole up or are holed up somewhere, you stay there, especially because you are hiding
(She was holed up at a resort somewhere, trying to avoid the media.)
https://www.macmillandictionary.com/dictionary/american/hole...


(Военный жаргон) hole up - окапываться.
https://www.multitran.com/m.exe?a=3&sc=70&s=hole up&l1=1&l2=...

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