1. 衡量駕駛員水平的決定性考驗，就是看他在緊急關頭能否保持鎮(zhèn)靜。
   The acid test of a good driver is whether he remains calm in an emergency.
2. 敵人在一場決定性的戰(zhàn)斗中被擊敗。
   The enemy was defeated in a decisive battle.
3. 她經驗更豐富，這是她得到那份工作的決定性因素。
   Her greater experience tipped the balance in her favour and she got the job.
4. 我們經濟的決定性因素是控制通貨膨脹。
   The determinate factor of our economy is to control inflation.
5. 他們主力隊員受傷可能是這場比賽勝負的決定性因素。
   The injury to their key player could be a decisive factor in the game.

定的英語翻譯：