情景对话
(Billy gets behind the wheel)
Billy: I'm a little nervous.

Jennifer: Don't worry. You'll be fine. First of all, put on your seat belt. Adjust the mirrors.

Billy: You don't think I'll need the seat belt, do you?

Jennifer: Of course not. But it's a good habit to put it on every time you drive.

Billy: Just in case, right?

Jennifer: Right. Hold the steering wheel with your hands at ten o'clock and two o'clock.
词汇注释
★ behind the wheel 在方向盘后面，即‘坐在驾驶座开车’

★ seat belt 安全带

★ adjust (v.) 调整

★ in case 万一，假若

★ steering wheel 方向盘

参考译文
（比利坐上驾驶座）
比　利：我有点紧张。

珍妮花：别担心。没事的。先系上安全带。调整后照镜。

比　利：你不认为我会用到安全带吧？

珍妮花：当然不。不过一上车就系上安全带是个好习惯。

比　利：防止万一，对吧？

珍妮花：对。把手握在方向盘的十点及两点钟方向。