describes a person (who is in the position of desiring/expecting higher returns) who won't bother or be satisfied with low returns; literally: 'big hen won't eat small rice'; 'the eagle does not catch flies'
Definitions (粵典–words.hk)
語句
做大生意嘅人不屑賺取細嘅利潤 an important person will not bother with minor matters or trivial business; literally: big chicken don't eat small rice