You should have seen their faces when they were showing me their colorful grammar charts and their carefully handmade flash cards, and their statistics about learning vocabulary using apps, or even how they love to cook based on recipes in a foreign language.
Kalian harus lihat wajah mereka saat mereka menunjukkan saya bagan  tata bahasa berwarna, dan kartu buatan mereka sendiri, dan statistika tentang pembelajaran bahasa menggunakan aplikasi, atau bahkan senangnya saat mereka memasak  berdasarkan resep dalam bahasa asing.