Strictly speaking, Chinese consists of hundreds of dialects. - À strictement parler, le chinois est composé de centaines de dialectes.
Tom always makes fun of John because of his dialect. - Tom se moque toujours de John à cause de son dialecte.
{n} dialect, form of a language spoken in a certain area or district; vernacular, local language of a particular place; regular spoken language (as opposed to literary language)