fret 1/fret/
vt., vi.-tt-1. 折磨；烦躁What are you fretting about?你在烦躁什么？
Don't fret; everything will be all right.别发愁，一切都会好的。
2. 消损；磨损；侵蚀to fret the skin擦损皮肤
The stream from the mountain slope fretted a channel through the soft earth along the mountain foot.山坡上下来的小溪流侵袭着松软的土地，沿着山脚跟形成了一条沟渠。