a drop in the bucket
US /ə drɑp ɪn ðə ˈbʌkɪt/
UK /ə drɑp ɪn ðə ˈbʌkɪt/
1.
杯水车薪, 微不足道
a very small or insignificant amount compared to what is needed or expected
:
•
Our donation was just a drop in the bucket compared to the millions needed for the project.
我们的捐款与项目所需的数百万相比，只是杯水车薪。
•
His small contribution was a drop in the bucket for the massive charity fund.
他的微薄贡献对于庞大的慈善基金来说只是杯水车薪。