edgeless
01
无刃的, 钝的
lacking a cutting edge
02
钝的, 无效的
dull or ineffective for cutting or precision tasks
例子
The knife was completely edgeless and could n't cut through the fruit.
这把刀完全没有刃，切不开水果。
He tried to use an edgeless tool to carve, but it failed to make any clean cuts.
他试图使用无刃工具进行雕刻，但未能做出任何干净的切割。
