Horstmann said after jurors left for the day that he plans to move for a mistrial.求分析。

Horstmann said after jurors left for the day that he plans to move for a mistrial.

1. 句子主干：Horstmann said that...

2. that 引导的是宾语从句，从句的结构为：he plans to move for...

V-T/V-I?At a meeting, if you?move?for?something or?move?that?something should happen, you formally suggest it so that everyone present can vote on it. 提议

Somebody needs to move for an adjournment.

需要有人提议休会。

3. after jurors left for the day 是状语（汉语的习惯是状语提前）

综上，全句的译文是：陪审员们离开后，Horstmann说他计划申请无效审判。