The whole class is working hard preparing for the exams.

　　全班都在努力用功準備考試。

　　I'm not prepared to discuss this on the phone.

　　我不想在電話(huà)里談?wù)摯耸隆?/p>

　　Parents play a crucial role in preparing their child for school.

　　父母對孩子做好上學(xué)的準備起著(zhù)至關(guān)重要的作用。

　　I had no time to prepare.

　　我當時(shí)沒(méi)時(shí)間準備。

　　The college prepares students for a career in business.

　　這個(gè)學(xué)院是培養商務(wù)人才的。