- slip in
 - 悄悄溜入;偷偷溜进去
 
参考例子
           - 1.He took a slip in the bathroom .
 - 下一个广告时间,我要上洗手间。
 
- 2.If you slip in now, nobody will notice you.
 - 你不声不响地走进去,没有人会注意你的。
 
- 3.A unit in sex education was about to begin, and each student had to bring in a permission slip in order to take it.
 - 学校即将开始性教育课程,每个学生都要先回去证得父母的同意,方能学习此课程。
 
英文解释
           - v.
 - 1.insert casually
 
网络释义
               - slip in
 - 悄悄溜入; 塞进; 溜进去;
 
- Slip - In
 - 男便鞋(直鞋口);
 
- Slip-in
 - 男便鞋(直鞋墙);
 
- slip in the rankings
 - 在等级排名中名次下降; 在等级中名次下降;
 
- slip and fall in delinquency
 - 失足;