英 [ˈlaɪtn ʌp] 美 [ˈlaɪtn ʌp]
放松，不要太认真：指对事情不要过于认真，放松心情。
... old-boy networks 老同学关系网 lighten up 放松，不要生气 up to a point 不完全如此，在某种程度上 ...
... out of the ordinary 不寻常的，例外的 lighten up 使人感到精神振奋 in mind 头脑中 ...
但涨到肯定水准就不行再大意加仓，而要逆势操纵——分批减仓(Lighten up)；大盘见顶上涨时，世界上任何事物都有其弱点，但惟有真爱是永远无敌的，它是每个人都会尝到的一种滋味和品过后心情依旧的感觉。
lighten up 放轻松 lighten 是「使（重量）变轻，而这（重量）原来是指有形的重量，也就是「负担；负荷，也可引用为「心理上的；无形的重量。
You indeed made a unique superhero movie which makes people think "The Dark Knight" needs to lighten up.
你们的确拍了一部与众不同的超级英雄电影，它让人们认为《黑暗骑士》需要明亮一点。
He should lighten up a little.
他应该放轻松一点。
Lighten up: You can have fun!
你会得到乐趣的。
We're serious way too much, and we need to lighten up a little bit.
Monday, June 21 was your day to lighten up as most people on TV got excited.
FORBES: Market Could Still Be Forming Head And Shoulders Top
That was the point where sellers were going to either lighten up or get short.