n. agitation resulting from active worry
n. an ornamental pattern consisting of repeated vertical and horizontal lines (often in relief)
n. 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
v. be agitated or irritated
n. 烦躁, 磨损, 焦急, 网状饰物
vi. 烦恼, 不满, 磨损
vt. 使烦恼, 腐蚀, 使磨损, 使起波纹
1. Don't fret about the small details; everything will be fine.
不要为小细节烦恼，一切都会好起来的。
2. She tends to fret when she has a lot of work to do.
当她有很多工作要做时，她往往会感到焦虑。
3. It's easy to fret over things that are out of your control.
为那些超出你控制范围的事情感到烦恼是很容易的。