要: important; essential有: 5年 fifteen years准备: prepare; get ready有准备: be ready for; preparedness或有准备: reserve for contingencies经常有准备: hold in readiness没有准备的: unready没有准备地: with little or no preparation有准备的: be prepared to do something; loaded for bear; ready有准备地: preparedly工作有准备的: ready for work惟有准备战斗: prepare to strike意外准备, 或有准备: contingent reserve彼此都没有准备: neither one prepared磁盘没有准备好: disk not ready还没有准备好的: unprepared没有准备好就干: no.to go off at half-cock没有准备好去讨好: i'm not ready to make nice,你丝毫没有准备: totally unprepared are you驱动器没有准备好: drive not ready error有准备明天才更好: ready for times get better预有准备的机动: deliberate maneuver意外事项准备, 或有准备: reserve for contingencies机会只垂青有准备的头脑: chance favors only the prepared mind看球看得准(做事有准备,有把握): on the ball