a “fly’s head”profit——small profit; petty profits (/gains) ? 我勸你不要忙于追逐虛名和～。I advise you not to be busy seeking any undeserved reputation and petty profits.
蠅頭小利ying tou xiao li
a fly’s head of profit
蠅頭小利yínɡ tóu xiǎo lì
像蒼蠅頭一樣的微利。形容不值得一提的小利。petty profits, small profit, petty gains