relax是動詞，通常可用作及物動詞和不及物動詞使用，有放松，休息，松懈，松開，寬慰等含義。
relax的釋義
v. 放松; 休息; 寬慰; (使) 冷靜，放心，鎮定; (使) 放松，松懈; 松開;
第三人稱單數：relaxes；現在分詞：relaxing；過去式：relaxed；過去分詞：relaxed
relax的用法壹.用作及物動詞
1.（使）（身體）放松；（使）松弛
I ought to relax and stop worrying about it...
我應該放松壹下，不要再擔心它了。
For the first time since his arrival he relaxed slightly...
自從他來了之後這是他第壹次稍微放松壹點兒。
Do something that you know relaxes you.
做點兒讓妳自己放松的事情。
His face relaxes into a contented smile.
他面部肌肉放松下來，露出了滿意的微笑。
2.松手；放開；放松
He gradually relaxed his grip on the arms of the chair.
他緊握椅子扶手的手逐漸松開了。
3.放寬，放松，削弱（規定或控制）
Rules governing student conduct relaxed somewhat in recent years...
近年來約束學生行為的規定有所放寬。
二.用作不及物動詞
變得輕松；變得隨和；變得和藹
I can't relax until I know you have arrived safe and sound.
我只有知道妳平安到達才能放心。