饿虎扑食 looks like a flexible Chengyu
Tags: 饿虎扑食 Chengyu
饿虎扑食 (èhǔpūshí) hungry tiger seizes prey (fierce and swift action)
But it's interesting to see how far goes the derivation of this original chengyu.
饿女扑食 -> 34,300 results on Google for "饿女扑食"
Btw, No results found on Google for "flexible Chengyu". ;o)
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