It can take some time and arm strength to cream butter, especially if it is cold.

搅拌黄油是需要耗费一些时间和臂力的，尤其是冷冻的黄油。

It's not just about arm strength. It's about getting that pelvis in line and finding integrity in the body.

不仅仅是手臂的力量。这是要使骨盆排成一条线并在体内找到完整性。

You need some arm strength for this.

为此，您需要一些手臂力量。

I mean, the way he was throwing the ball was like just like he had no arm strength whatsoever.

我的意思是，他扔球的方式就像他没有任何手臂力量一样。