They threatened to lead a mass walk-out if the party did not sharply change direction.

他们威胁说，如果该党对其发展方向不作大的调整，他们就发动大家集体退党。

Change direction do it again.

换方向再做一次。

Wandering: Occasionally change direction randomly.

Wandering：随机地改变方向。

But now, this policy began to change direction.

但现在，这个政策方向开始改变了。

We can change direction quickly if our approach isn't working.

如果我们的办法不管用的话，我们可以快速地改变方向。