dūng gwā náaih luhk
冬 is winter, and 瓜 is melon (or gourd or squash), so 冬瓜 is winter melon. 奶 is milk and 綠 is green, so 奶綠 is milk green (short for milk green tea). Altogether, 冬瓜奶綠 is winter melon milk green tea.
Milk green tea flavored with winter melon.
milk green tea