Explanation: When the invasion force to take advantage of weakness. Usage: Partial official; as predicate, object; containing derogatory Source: Qing Shi Yukun "Chivalric Heroes" 40 back: "Now all diseases will slip." Examples: Now riddled ~. (Qing Shi Yukun "Chivalric Heroes" forty-back)
Thesaurus: to gain an advantage over something through his in attention, Take advantage of a loophole Infiltration