及物动词
不及物动词
名词
1. 苦恼;烦恼;发愁
If you fret about something, you worry about it.
2. (吉他等弦乐器琴颈处的)品
The frets on a musical instrument such as a guitar are the raised lines across its neck.
1. a small bar of metal across the fingerboard of a musical instrument
when the string is stopped by a finger at the metal bar it will produce a note of the desired pitch
2. an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
e.g. there was a simple fret at the top of the walls
Synonym: Greek fretGreek keykey pattern
3. a spot that has been worn away by abrasion or erosion
Synonym: worn spot
4. agitation resulting from active worry
e.g. don't get in a stew
he's in a sweat about exams