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.
音樂家在音樂會前對吉他進行了微調,以確保它聽起來完美。