When a musical key or key signature is referred to in a language other than English, that language may use the usual notation used in English (namely the letters A to G, along with translations of the words sharp, flat, major and minor in that language): languages which use the English system include Irish, Welsh, Hindi, Japanese (based on katakana in iroha order), Korean (based on hangul in ganada order), Chinese, Thai, Indonesian, Filipino, Swahili, Esperanto.
For example, recent French scores or books may use the English system (this is especially common for chord symbols), but French users would read out that notation according to the Fixed Do system.
Similarly, a Dutch musician may refer to a written F♯ orally as Fis.
In the German notation scheme, a hyphen is added between the pitch and the alteration (D-Dur).
For example, to describe a song composed in the key of F-sharp major, one could say: