This meant, of course, that he arrived at school early in the morning, dragging his heavy instrument case across the campus to the pitying looks of the non-musicians he had left behind.

当然，这意味着他一大早就到了学校，拖着沉重的乐器箱穿过校园，让他身后那些不学音乐的学生们投来同情的目光。

youdao

BEZEL, the part of an instrument case for locking the glass.

镶嵌沟缘，将表面玻璃固定在仪表上的圈状零件。

youdao

Seth removed the instrument from its case, raised his bow, and began to play, beautifully, until the bullies were cowed into silence.

NEWYORKER: A Loaded Gun

The Korean-born musician, who has played with the Royal Philharmonic Orchestra, was due to board a train to Manchester and was buying a sandwich at Euston station when the case containing the instrument was taken from her.

BBC: Bulgaria violin 'may be Stradivarius stolen in London'

Debbie Elliott gets a crash course in what a top-flight musician looks for in his instrument... in this case, a guitar that can sometimes sound more like a cello.

NPR: Jason Vieaux Picks Out a New Guitar