Against - Tradução em português

Olá pessoal, estou estudando um livro didático e gostaria que os senhores traduzissem as palavras em negrito e me dessem exemplos de frases com "against" e como usar essa palavra. Grato.

against

What am I doing? You’re pushing against the table.

Who does this conuntry play football against? This country plays football against ...

Is the chair against the wall? No, the chair isn’t against the wall; it’s near the wall.

Is the chair against the wall now? Yes, the chair’s against the wall now.

Grato. Desde já agradeço.