1) This knife is very sharp.
这把刀很快。
2) This knife cuts cleanly.
这把刀很利。
3) This knife won't cut.
这把刀不快.
4) This knife cuts very well.
这把刀很锋利。
5) The scissors aren't sharp.
这把剪刀不快。
6) Please sharpen the edge of this knife.
请把这刀刃磨快。
参考词条