pound-foolish

形容词 pound-foolish:

1. unwise in dealing with large sums

pound-fool.ish

adj.（形容词）
Unwise in dealing with large sums of money or large matters.
大事糊涂的：在大额金钱上或大事上草率行事的

来源：
From the phrase penny-wise, pound-foolish
源自片语 penny-wise, pound-foolish