fine-tune
🇺🇸
/ˌfaɪn ˈtuːn/
🇬🇧
/ˌfaɪn ˈtjuːn/
to make small adjustments to improve something
The musician fine-tuned the guitar before the concert to ensure it sounded perfect.
音乐家在音乐会前对吉他进行了微调,以确保它听起来完美。