brighten up

== English == === Pronunciation === IPA(key): /ˈbɹaɪtən ʌp/ (US) IPA(key): /ˈbɹaɪ̯ʔn̩ ʌp/ === Verb === brighten up (third-person singular simple present brightens up, present participle brightening up, simple past and past participle brightened up) (intransitive, said of the weather) To become brighter (transitive) To make cheerful. (intransitive) To become more attractive. ==== Translations ====