turn of mind

例句：

1. 1. He was in a turnof mind to do something he never thoughthe would.
   他心情一变，决定做一件他从未想过自己会做的事。
2. 2.She felt a turn of mind and decidedto take a break.
   她感到心情一变，决定休息一下。
3. 3. Histurn of mind shifted asthe conversation progressed.
   随着谈话的进行，他的心情发生了变化。