I can't understand what he means by gesticulating.

我无法理解他用手势表达的含义是什么。

The secretary gesticulated to the leader while he was talking.

领导在讲话时，秘书向他做手势示意。

When communicating with foreigners, he often gesticulates too.

他在和外国人交流时，也经常会用手势表达。

He gesticulated wildly at the clock.

他使劲指着钟打手势

The true life have to gesticulate up vivid many.

真人生得比画上可生动了许多。

Do not gesticulate with a knife or fork when talking.

进餐时说话，不可手持餐刀或叉示意。

My english is not very good, Can you gesticulate at me?

我的英语不是很好，可以和我用手势吗？

Division; hey, Cui Shuo, see you in this dress, to gesticulate gesture!

师；哎，崔烁，看你这身打扮，是想比画比画！

Now, we should see for ourselves if we gesticulate more righty than lefty.

现在我们需要看看我们人类自己是否用右手做手势的时候多于用左手的时候。