他成功地从那场乏味的会议中溜走了，没人注意到。

He managed to ___slip ___out of the tedious meeting unnoticed.

她的计划是在卫兵换岗前悄悄溜出宫殿。

Her plan was to ___slip ___out of the palace before the guards changed shift.

小偷试图从警戒线的一个缺口溜过去。

The thief tried to ___slip ___through a gap in the security cordon.