The French translation for “at ten to ten” is à dix heures moins dix. The French, à dix heures moins dix, can be broken down into 5 parts:"at" (à), "ten (10)" (dix), "hours" (heures), "minus" (moins) and "ten (10)" (dix).
Examples of "at ten to ten" in use
There is 1 example of the French word for "at ten to ten" being used: