make a dent in
US /meɪk ə dɛnt ɪn/
UK /meɪk ə dɛnt ɪn/

1.
手をつける, 減らす
to reduce something, especially a problem or a large amount of work, but not solve it completely
:
•
We've been working all day, but we've barely made a dent in the pile of paperwork.
一日中働いたが、書類の山にはほとんど手をつけていない。
•
The extra funding will help make a dent in the city's homelessness problem.
追加の資金は、市のホームレス問題に一石を投じるのに役立つだろう。