cover for
US /ˈkʌvər fɔːr/
UK /ˈkʌvər fɔːr/

1.
substituir, cobrir
to do someone's work or duties while they are absent
:
•
Can you cover for me while I'm on vacation next week?
Você pode me substituir enquanto estou de férias na próxima semana?
•
She asked her colleague to cover for her during her sick leave.
Ela pediu ao colega para cobrir o trabalho dela durante a licença médica.
2.
encobrir, proteger
to make excuses or provide an alibi for someone, especially to protect them from blame or punishment
:
•
He asked his friend to cover for him when he skipped class.
Ele pediu ao amigo para encobri-lo quando ele faltou à aula.
•
Don't try to cover for his mistakes; he needs to take responsibility.
Não tente encobrir os erros dele; ele precisa assumir a responsabilidade.