two upon ten

Phrase

A coded warning among shopkeepers that a potential shoplifter must be watched.

Japanese Meaning

店主間で使用される暗号の警告で、潜在的な万引き犯に注意を促すためのフレーズ

When the manager whispered 'two upon ten' into the walkie-talkie, the sales clerk immediately shadowed the suspicious customer.

店長がトランシーバーで「万引きの疑いがある人物を警戒しろ」という合図を囁くと、店員はすぐにその不審な客を尾行し始めた。

Sense（1）

A coded warning among shopkeepers that a potential shoplifter must be watched.