vt.

1. 使苦恼；使烦躁；使发愁
   She'll fret herself to death one of these days.

   她总有一天会愁死的。

2. 侵蚀；腐蚀；使磨损；蛀蚀
   The metal is fretted with the acid.

   金属被酸腐蚀。

3. （经侵蚀而）形成（通道）
4. 使（水面）起波纹
   The breeze fretted the surface of the water.

   微风吹皱水面。

vi.

1. 苦恼；烦躁；发愁[（+about/at/for/over）]
   It won't help to fret about the problem.

   为这个问题发愁是无济于事的。

2. 被腐蚀；被磨损
3. 侵蚀成通道
4. （水面）起波纹

n.

1. 【口】苦恼；烦躁；担忧[the S]
   She gets in a fret whenever we're late.

   只要我们一迟到，她就焦虑不安。

2. 侵蚀；腐蚀
3. 腐蚀处；磨损处

n.

1. 【建】卍字浮雕，回纹饰[C]

vt.

1. 用卍字浮雕装饰（天花板等）；用回纹装饰

n.

1. （吉他等弦乐器指板上定音的）品，档子[C]

v.

1. be constantly or visibly anxious.
2. gradually wear away by rubbing or gnawing.
3. flow or move in small waves.

n.

n.

1. Art  & Architecture  a repeating ornamental design of vertical and horizontal lines.
2. Heraldry  a device of narrow diagonal bands interlaced through a diamond.

v.

n.

v.

1. provide with frets.
2. play (a note) while pressing against a fret.

n.