《后汉书·列传·耿弇列传》
又故意放松对俘虏的看守，使他们得以亡归逃去。
阴缓生口，令得亡归。
He deliberately relaxed his guard on the captives, allowing them to escape. 
<s>[INST] Kindly elucidate the central themes in this passage in English: 阴缓生口，令得亡归。 [/INST] He deliberately relaxed his guard on the captives, allowing them to escape. </s>
Kindly elucidate the central themes in this passage in English: 阴缓生口，令得亡归。
user
He deliberately relaxed his guard on the captives, allowing them to escape.
assistant