fight tooth and nail

US /faɪt tuθ ænd neɪl/
UK /faɪt tuθ ænd neɪl/
"fight tooth and nail" picture
1.

lutar com unhas e dentes, lutar com todas as forças

to fight with great intensity and determination, using all available resources

:
They had to fight tooth and nail to keep their business afloat during the recession.
Eles tiveram que lutar com unhas e dentes para manter seus negócios à tona durante a recessão.
She will fight tooth and nail for her children's rights.
Ela vai lutar com unhas e dentes pelos direitos de seus filhos.