strike a note idiom
表达看法，传达感觉
to express and communicate a particular opinion or feeling about something
I find it really difficult to strike the right note when I'm writing job applications. 我发现写求职信时很难说到点子上。
At the end of her speech, she struck a note of warning about the risks involved in the project. 演讲的最后，她就这个项目包含的风险发出了警告。