A drop in the ocean
US /ə drɑp ɪn ðə ˈoʊʃən/
UK /ə drɒp ɪn ðə ˈəʊʃən/
成语
杯水车薪, 沧海一粟
a very small amount of something compared to what is needed or expected
示例:
•
Our efforts to clean up the beach were just a drop in the ocean compared to the vast pollution.
我们清理海滩的努力与巨大的污染相比，只是杯水车薪。
•
The money donated was a drop in the ocean for the charity's huge funding needs.
捐赠的钱对于慈善机构巨大的资金需求来说，只是杯水车薪。