I need to get in shape.

我需要保持体形。

I need to be in my office in 15 minutes.

我需要在15分钟内到办公室。

I'm at home and I need to study, what I do is read out loud.

在家我需要学习的时候，我会大声朗读。

Yes, I need to note when I'm worrying about inconsequential things, I guess.

是的，我想，当我担心无关紧要的事情时，我需要注意。

I need a pair of black shoes for a basketball game.

我需要一双黑色的篮球鞋。

Whenever I need help, my mother is always there for me.

每当我需要帮助时，妈妈总是在我身边。

But I need to be careful with it for the next few weeks.

但接下来的几周我需要小心处理。

But I need to see him, because my friends and I lent him some money last month.

但是我需要拜访他，因为我和我的朋友上个月借给了他一些钱。

When you are tired and you want to go to bed, you can say, "I need to hit the hay."

当你累了想睡觉的时候，你可以说："我需要去睡觉了。"

Dr. Block, I need to take a few days off because my father is coming over to visit.

Block博士，我需要请几天假，因为我父亲要来看我。