《魏书·列传·卷二十九》
如今北边有强劲的敌寇经常骚扰，南边有狡诈的贼人负隅捣乱，那里的边疆战场，还须严加防备戍守。
今劲寇游魂于北，狡贼负险于南，其在疆场，犹须防戍。
In the North there are strong enemies who frequently harass us, and in the South there are cunning bandits who cause chaos by ambushing; at the battlefields there, we must continue to strictly defend and guard. 
<s>[INST] 用英语解释这段文言文的意思: 今劲寇游魂于北，狡贼负险于南，其在疆场，犹须防戍。 [/INST] In the North there are strong enemies who frequently harass us, and in the South there are cunning bandits who cause chaos by ambushing; at the battlefields there, we must continue to strictly defend and guard. </s>
用英语解释这段文言文的意思: 今劲寇游魂于北，狡贼负险于南，其在疆场，犹须防戍。
user
In the North there are strong enemies who frequently harass us, and in the South there are cunning bandits who cause chaos by ambushing; at the battlefields there, we must continue to strictly defend and guard.
assistant