She was still recovering from the accident so he avoided any subjects which might unsettle her.她还没从事故中恢复过来，所以他避免提起任何会令她不安的事。The threat of war has been enough to unsettle international oil traders.战争的威胁足以引起国际油商的不安。Such a sudden change will unsettle her.这种突变会使她焦虑不安。