v.磨損；拖著腳走
n.拖著腳走；磨損
I scuff the heel of my boot on the step. 我的靴子后跟在臺階上磨壞了。
I scuffed the heel of my boot on the step. 我的靴子後跟在臺階上磨壞了。
If you scuff (your feet) like that, you'll wear the heels out. 你那麼拖著腳走路，就要把鞋跟磨壞了。
v.混戰(zhàn)；扭打；拖腳行走
n.混戰(zhàn)
n.折皺變形(齒輪咬現(xiàn)象；劃痕；塑性變形)
