/fret ||; frɛt/verb [I] (fretting;fretted)fret (about/at/over sth) to be worried and unhappy about sth 为…而担忧或不快: I was awake for hours fretting about my exams.我为考试担心，有好几个小时睡不着觉。
fret²
/fret ||; frɛt/noun [C] one of the bars across the long thin part of a guitar, etc that show you where to put your fingers to produce a particular sound （吉他等弦乐器指板上的）品，柱 ☞picture at music 见music插图