He sat down on a bench, hitching up his trousers, carefully, as if afraid of destroying a knife-edged crease.
他坐到一条凳子上,小心地拉起裤子,好象怕把笔挺的。
2
Explain the value of a really sharp point and edge, the latter, particularly with a double edgedknife, being as much to prevent the knife from being seized as for slashing.
解释真正锋利的刀尖和刀刃的价值,后者,尤其对于双刃匕首来说,可以用削划在很大程度上防止对手抓刀。
3
He sat down on a chair, hitching up his trousers carefully, as if afraid of destroying the knife - edged crease.