他告诉孩子们坐直，别没精打采的。

He told the children to sit up and not slouch.

youdao

如果到了上午晚些时候而你觉得有些没精打采，别担心，你很可能只是处于“11点状态”。

When late morning rolls around and you're feeling a bit out of sorts, don't worry; you're probably just a little eleven o'clockish。

youdao

孩子，出去玩玩吧。别总是没精打采地在屋里打转。

Go out and have some fun, child. Don't mope about in the house all day.

youdao