Definition
To be overly concerned with saving small amounts of money while being careless with larger sums.
计较小钱，浪费大钱
He tried to save a few dollars on shipping, but ended up spending more money on a product of inferior quality; it was truly penny-wise and pound-foolish.
他试图在运费上省下几美元，但最终却花了更多钱买到劣质产品；这真是小气反而吃大亏。
They turned off the air conditioning to save on electricity bills, but it caused a drop in employee productivity; that's definitely being penny-wise and pound-foolish.
他们为了节省电费而关掉空调，但这导致员工生产力下降；这绝对是小气反而吃大亏。
To save a few dollars on photocopying, she spent much more time handwriting her reports; it was really penny-wise and pound-foolish.
为了省下复印的几美元，她花了更多时间手写报告；这真是小气反而吃大亏。