slip /slip/ I. vi. & vt. (slipped; slipping)  1. 滑动，滑行：The boat slips through the water. 船在水上轻快地滑行。 2. 滑掉，滑脱：The blanket slipped off the bed. 毯子从床上滑落下来。 3.滑倒，失足：slip in the mud 在泥泞中滑倒 Mind you; don’t slip. 留神别摔跤。 4. 溜走，悄悄走：slip out of the room 偷偷溜出房间 Time is slipping away. 时间悄悄地过去了。 5.把…塞给，暗中塞(钱等)： slip a letter into one’s pocket 悄悄地把信放入口袋 6. 滑过，被…忽略： The point slipped my attention. 这点我未曾注意。7. 用于短语动词slip in举例或插入评论（使讲话等生动）：I usually slip in one or two jokes during a talk just to liven things up a bit.发言时我通常插入一两个笑话活跃气氛。slip through逃避惩罚；漏网：Once again terrorists have slipped through the police net.恐怖主义分子又一次逃脱了警察的布网。There are laws there to protect the mentally ill, but now and then someone does slip through the net. 有法律保护精神病患者，但是偶尔还是有病人漏网的。slip up犯错误，搞错了：These figures don’t make sense - have we slipped up somewhere?这些数字没有什么意思，我们在某处犯错了吗？‖II. n.［c］ 1.滑动，失足，下降： have a slip on the ice 在冰上滑了一跤；a slip of the pen (tongue) 笔(口)误 2. 疏忽，口误，笔误：make a slip 犯一个小错；only a slip 只是一个失误