1. 锋利的：razor-edge 刀锋 | razor-sharp 锋利的 | razor-slasher 剃刀杀人犯
2. 锋利的,犀利的：class Template 类模板 | razor-sharp 锋利的,犀利的 | data type 数据类型
3. 剃刀夏普：Features: 特点: | Razor sharp剃刀夏普 | Cutting branches flush to trunk切割分行冲水,以主干
razor-sharp
adj
1. very clearly delineated
e.g. razor-sharp definition
2. as sharp as a razor