Translation guide
A tool for cutting paper, typically a small, non-folding knife used for opening envelopes, cutting pages, or crafts. In Japanese, the most common equivalent is ペーパーナイフ, a loanword from English. Traditional Japanese paper knives are less common, but terms like 紙切りナイフ or 紙切り小刀 exist. For letter openers, レターオープナー is also used.
A small knife-like tool used to cut paper, especially for opening envelopes or separating pages.
A knife specifically designed for cutting paper in traditional Japanese bookbinding or paper crafts, often with a single-edged blade.
A small knife used for cutting paper in traditional crafts. This term is more specific and may be encountered in historical or artisanal contexts.
和綴じの本を作るのに紙切り小刀を使います。
We use a paper knife to make Japanese-bound books.
The most common and widely understood term for a paper knife in modern Japanese. It is a loanword from English and refers to any small knife used for cutting paper, especially for opening envelopes.
封筒を開けるのにペーパーナイフを使った。
I used a paper knife to open the envelope.
Literally 'paper-cutting knife'. This is a more descriptive term, but less common than ペーパーナイフ. It may be used in contexts like crafts or stationery.
紙切りナイフで厚紙を切った。
I cut the cardboard with a paper knife.
Specifically a letter opener. While not exactly a 'paper knife', it is often used interchangeably in English. Use this when emphasizing the function of opening letters.
レターオープナーで手紙を開封した。
I opened the letter with a letter opener.