Valmiki Ramayana Yuddha Kanda Sarga 63 Shloka 19
Original Shlokaचपलस्येहकृत्यानिसहसानुप्रधावतः । छिद्रमन्येप्रपद्यन्तेक्रौञ्चस्य ख मिवद्विजाः ।।6.63.19।।
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चपलस्य unsteady, कृत्यानि actions, सहसा forcibly, अनुप्रधावतः rush after, छिद्रम् containing holes, क्रौञ्चस्य Krauncha mountain, खम् birds, द्विजाःइव like brahmins, अन्ये other, प्रपद्यन्ते elaborate.
"Enemies find out the weakness of the king who is unsteady and rush after the actions forcibly without thinking like brahmins just as birds find the holes in Krauncha mountain and elaborate to others."