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- Be modest, otherwise you will lag behind. 要谦虚，否则就要落后。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- The children always lag behind when we go for a walk. 我们出去散步时，孩子们总是落在后面。
- One puppy was lagging considerable behind. 有一只小狗远远地落在后面。
- If your payments of rent lag behind, you will be asked to leave. 你要是不能按时付房租，就要请你搬家。
- They do not like to be lagging behind the others. 他们不愿意落在人后。
- Why was she lagging behind in the preliminaries? 她预赛中为什么会落后?
- You'll lag behind unless you study harder. 你如不更加努力地学习就要掉队。
- Let not a single classmate lag behind. 不要让一个同学掉队。
- For a while, the darkling star disappeared behind thick clouds. 隐约出现的星星暂时消失在厚厚的云层後面了。
- We still lag behind in this respect. 在这方面，我们还比较落后。
- Illness kept the boy behind in his school work. 那个男孩因生病而功课落后了。
- The castle was hidden behind a curtain of smoke. 城堡被一层烟雾遮掩着。
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
- Production has been lagging behind recently. 最近，生产一直在下降。
- She glanced shyly at him from behind her fan. 她羞怯地从她的扇子后面看了他一眼。
- There is a time lag of about 10 years. 有大约十年时间的间歇。
- I felt completely disorientated with the jet lag. 我乘长途飞机後因生理节奏失调而感到昏昏沉沉的。
- Soon I dropped behind the rest of the class. 不久我就落在班上其他同志后面了。
- It is settled and therefore we cannot go behind it. 此事已成定局，我们不能再去斟酌它了。
