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English definition of “lighten sth up”

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lighten sth up

verb uk phrasal verb with lighten   /ˈlaɪ.tən/ us    /-t̬ən/
to make a speech or piece of writing less serious: I thought I'd slip in a few jokes to lighten up the talk.
Translations of “lighten sth up”
in Chinese (Traditional) 使…輕鬆活潑,使…不那麽嚴肅…
in Chinese (Simplified) 使…轻松活泼,使…不那么严肃…
(Definition of lighten sth up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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