?到那个时候

... by unattended time 准备就绪但无人管理的时间 by that time 到那个时候 By Election Time 在选举时 ...

?到那时

经检验达到产品标准 ? Has been tested to product standards 到那时 ? By that time 梦见花，爱上你的美 ? Dreaming flowers, loved your beauty ..

?到那时候

... 先写作业 ? The first homework 到那时候 ? By that time 是的它不再 ? Yes which no longer ...

?那时候

... but what's the end of it ? 但什么是它的结束 full of strong ? 充分强 by that time ? 那时候 ...