悶騷 的英文怎麼說?

[1] cold on the outside and warm on the inside[2] boring on the outside and fun on the inside[3] cold on the outside and loving on the inside[4] shy on the outside and crazy on the inside

「悶騷」沒有英文直接對應的字，只好白話翻譯，看你的「悶騷」的意思為何，cold on the outside and warm on the inside 是最貼切的，形容人外冷內熱，外表冷淡，內心卻很熱情友善