例句：I’m not sure when the boss will come back.

翻譯：我不確定老闆何時會回來。

例句：Don’t talk about me behind my back.

翻譯：不要在背後談論我。

例句：Your son has to sit in the back seat of a car.

翻譯：你兒子必須坐在汽車的後座。