/slɪp/ vi. If you slip, you accidetally slide and lose your balance. 滑，滑倒； He had slipped on an icy pavement. 他在结冰的人行道上滑倒了。 vi. If something slips, it slides out of place or out of your hand. 滑走，滑落； His glasses had slipped. 他的眼镜滑落了。 lip slip 阴唇滑落出来了，走光。