mustn't 是禁止..的意思
we are not allowed to touch it 根据这个语境可得出:是别人不允许we,去touch it.也就是说we没有被允许去touch it.
如果用主动的话:是表达,we不允许别人去touch it.eg:we are not allow you to touch it
mustn't 是禁止..的意思
we are not allowed to touch it 根据这个语境可得出:是别人不允许we,去touch it.也就是说we没有被允许去touch it.
如果用主动的话:是表达,we不允许别人去touch it.eg:we are not allow you to touch it