PHRASE
（動物）在覓食；（人）在尋找性伴侶（或生意）
If an animal is on the prowl, it is hunting. If a person is on the prowl, they are hunting for something such as a sexual partner or a business deal.
例句
Their fellow travellers are a mix of honeymooners, single girls on the prowl and elderly couples...
他們的旅伴中有度蜜月的新人，有尋覓伴侶的單身女孩，也有老年夫婦。
The new administration are on the prowl for ways to reduce spending.
新政府在尋求削減開支的方法。