This is the 4922nd most frequent Chinese word.
贪
Greedy.
Here, '贪' is used as a verb representing the quality of being greedy or excessively desirous.
他对金钱非常贪。
He is extremely greedy for money.
In this sentence, '贪' reflects the tendency to pursue something excessively or carelessly, particularly small advantages.
她因贪小便宜而吃了亏。
She suffered losses because of chasing small benefits.
'贪' here conveys the idea of seeking excessively or beyond an appropriate limit, referring to the desire to overachieve in learning efforts.