If someone is laid-back, they are relaxed and they do not seem worried about things. A laid-back teacher does not fuss. A laid-back Sunday is slow and easy. The feeling is calm, not lazy in a mean way — though actually, if you call someone’s work laid-back, you might mean they are not trying very hard, so the tone matters.

If someone is laid-back如果說一個人 laid-back，they are relaxed就是他很放鬆，and they do not seem worried about things對事情看起來不太操心。A laid-back teacher一位 laid-back 的老師 does not fuss不會窮緊張。A laid-back Sunday一個 laid-back 的星期天 is slow and easy緩慢又悠閒。The feeling is calm這感覺是平靜，not lazy in a mean way不是帶貶義的那種懶——though actually不過其實，if you call someone’s work laid-back如果你說某人的工作 laid-back，you might mean你可能是指 they are not trying very hard他不太努力，so the tone matters所以語氣很重要。

It began as United States slang. People said lay back in the late 1950s for leaning back and taking it easy; the adjective laid-back shows up in print in the late 1960s and early 1970s. The picture is probably someone sitting in a chair tipped backwards.

It began as它一開始是 United States slang美國俚語。in the late 1950s在 1950 年代末，People said lay back人們說 lay back，for leaning back指往後靠、and taking it easy放輕鬆；the adjective laid-back形容詞 laid-back，shows up in print出現在印刷品上，in the late 1960s and early 1970s是 1960 年代末、1970 年代初。The picture is probably那幅畫面大概是 someone sitting in a chair一個人坐在椅子上，tipped backwards椅子往後翹。

It is informal and friendly, common in speech. Write it with a hyphen: laid-back.

It is informal and friendly它不正式、很親切，common in speech口語裡常見。Write it把它寫成 with a hyphen帶連字號：laid-back。