1. The girl, tears streaming down her face, begged to be allowed to slip into the guard´s van.
    女孩泪流满面，央求让她不声不响地到押车员车厢里去算了。

2. Too many foreigners slip in as tourists and then try to remain on grounds of marriage.
    以旅游者身份进入美国、然后以结婚为理由留下来的外国人太多了。

3. A white dot appeared in the sky, as small and innocent-looking as a slip of paper.
    天空中出现了一个白点，就像一张纸一样地小、一样地洁白无辜。

4. So that we look even more foolish when we slip back into our bad old ways.
    这样一旦滑回到那些老习惯上去，我们在别人的眼里会显得更加难堪。