The politician voted for [against] the Government's plans.
その政治家は政府案に賛成［反対］の投票をした
The reality is exactly the opposite.
現実は正反対だ
The result was contrary to our plan.
結果は我々の計画とは正反対だった
the reverse of what is expected
期待の反対
the reverse page
裏ページ（◆the opposite pageは左右反対側のページ）．
The two women are complete opposites.
その２人の女性は正反対だ
There is certain to be some opposition to your suggestion.
君の提案にはきっと反対があるだろう
They are unanimous in opposing [in their opposition to] the bill.
彼らはその法案にこぞって反対している
They have expressed their oppositions to the proposals.
彼らはその提案に反対した
They publicly raised their voices against the policy.
彼らは公に政策に反対する声を上げた
