tune up

tune up汉语翻译：
调音, 定弦, 调整, 调节英语解释：
名词 tune up:

exercising in preparation for strenuous activity同义词：warm-up, tune-up, prolusion

adjustments made to an engine to improve its performance同义词：tune-up

动词 tune up:

adjust for (better) functioning同义词：tune

adjust the pitches of (musical instruments)同义词：tune

例句：

The orchestra were tuning up as we entered the hall.我们进入大厅时，管弦乐队正在调音。

Before he began to play, Harry tuned up his banjo.开始演奏前，哈利先行调好他的五弦琴。