verb
to behave like a hooligan; to act in a dirty or indecent manner
不以結婚為目的的戀愛都是耍流氓。
不以结婚为目的的恋爱都是耍流氓。
bù yǐ jié hūn wéi mù dì de lià nài dōu shì shuǎ liú máng . All love relationships lacking the intention of progressing to marriage are acts of hooliganism. (common saying)
Examples (Wiktionary)
Mandarin
不以结婚为目的的恋爱都是耍流氓。
不以結婚為目的的戀愛都是耍流氓。
bù yǐ jié hūn wéi mù dì de lià nài dōu shì shuǎ liú máng .
All love relationships lacking the intention of progressing to marriage are acts of hooliganism. (common saying)