使自己平静下来，控制自己的情绪或行为
镇静
... compose oneself镇静,安心 compose one's thoughts打定主意 compose twenty percent of the total占整体的20％ ...
No one know what's it like in the future, no one will know their success, just trying to do with oneself think to compose the outstanding young — is still happy.
没有人知道未来是什么样子的，也没有人知道自己会不会成功，只是努力着去做着自己认为对的事，谱写着未完成的少年篇章a——依旧是幸福。