Come on, lighten up! Where's your sense of humour?好了,放轻松点!你的幽默感哪里去了?Stop worrying about what you're feeling. Let yourself go.不要总想着自己是什么感觉。放轻松点。Don't worry about the matter, take it easy.别担心那件事,放轻松一点。Relax, smile; loosen up in mind and body and behaviour.放松,微笑。精神、身体和行为上都要放轻松。