风情万种的女人是打火机不解风情的女人是灭火器
[fēng qíng wàn zhŏng de nǚ rén shì dă huŏ jī bù jiĕ fēng qíng de nǚ rén shì miè huŏ qì]
Translated to 'a charming woman is like a lighter, and a plain/unapproachable woman is like a fire extinguisher.' Using metaphors comparing women's personalities or appearances.