dog-eat-dog
US /ˈdɔɡ.it.dɔɡ/
UK /ˈdɔɡ.it.dɔɡ/

1.
약육강식의, 치열한, 무자비한
used to describe a situation in which people will do anything to be successful, even if it harms other people
:
•
It's a dog-eat-dog world out there, so you have to be tough.
세상은 약육강식이니 강해져야 해.
•
The competition in the tech industry is truly dog-eat-dog.
기술 산업의 경쟁은 정말 치열해.