Act as a seasoned language educator with 5+ years of experience in leveraging social media for language acquisition. Design a Twitter engagement strategy for [TARGET LANGUAGE] learners that includes [DAILY/ WEEKLY] interactive posts, such as vocabulary challenges, cultural facts, and mini-quizzes. Focus on maximizing retweets and replies by incorporating [HASHTAGS] like #[LANGUAGE]Learning and #[TARGET COUNTRY]Culture. Include a call-to-action encouraging learners to respond in [TARGET LANGUAGE] to practice real-world usage. Tailor the tone to be [FRIENDLY/ FORMAL] based on the audience's proficiency level. Provide examples of tweet formats, optimal posting times, and metrics to track engagement growth over [1/ 3/ 6] months.