do well by
US /duː wɛl baɪ/
UK /duː wɛl baɪ/

1.
手厚く扱う, 利益をもたらす
to treat someone well, especially by providing them with advantages or benefits
:
•
The company has always done well by its employees, offering good benefits and opportunities.
その会社は常に従業員を手厚く扱っており、良い福利厚生と機会を提供している。
•
If you invest in this stock, it will do well by you in the long run.
この株に投資すれば、長期的にはあなたに利益をもたらすだろう。