He sat opposite me,lost in ___.ideas,mind,thought,thoughts 选thought,为什么,请翻译
问题描述：
He sat opposite me,lost in ___.ideas,mind,thought,thoughts 选thought,为什么,请翻译
答
在冥想，
be lost in mind失去理智
没有be lost in idea
答
他坐在我对面，陷入了沉思
答
lose in thought陷入沉思,固定搭配