你坐下时尽量不要无精打采。

Try not to slouch when you are sitting down.

《柯林斯英汉双解大词典》

当你到了那里，不要无精打采，也不要转动你的头发。

Don't slouch or twirl your hair once you're there.

youdao

不要无精打采，坐直了。

Don't slouch, sit up straight.

youdao

不要先入为主的认为无精打采——或者痛苦——这些是年老的一部分。

Don't presume that feeling listless - or miserable - is just part of old age.

youdao

你千万不要显得无精打采或是用手指卷头发，否则的话，你的面试可能就完蛋了。

Don't slouch or twirl your hair once you're there. If you do, you may be done for.

youdao

因此，不要在乎你现在所遭受的是什么，不要仅仅去抱怨命运的不公平和一直的无精打采。

Therefore, no matter what you are suffering from now, do not merely complain about the unfairness of our destiny and maintain low-spirited all the time.

youdao

因此，不要在乎你现在所遭受的是什么，不要仅仅去抱怨命运的不公平和一直的无精打采。

Therefore, no matter what you are suffering from now, do not merely complain about the unfairness of our destiny and maintain low-spirited all the time.

youdao