razor-thin
/ˈreɪzəθɪn/adjective
1- extremely thin薄如剃刀的, 极薄的：
razor-thin slices of salmon
极薄的鲑鱼片。
1.1
- (especially of a margin of victory) very slim; barely achieved（尤指胜利的优势）极微弱的：
a razor-thin margin of eight votes.
只有八票的极微弱优势。