定弦dìng∥xián(~ㄦ{dìng∥xiánr}) 1.调整乐器弦的松紧以校正音高。{tune (a stringed instrument); adjust the tension of the strings of a musical instrument to correct the pitch} 2.〈方dial.〉〈比喻fig.〉打定主意{make up one's mind}: 你先别追问我,我还没~呢。{Don't ask me yet, since I still haven't made up my mind.}