He tried to banish all worries from his mind and enjoy the vacation.

banish 是动词，意思是"驱逐、消除"，常用来表示把不想要的想法或感觉从头脑中赶走。这个词来自古法语，原指"强制某人离开某个地方"，后来引申为"从思想中驱除"的意思。