During the noisy factory tour, the supervisor gesticulated toward the emergency exits for visitors.

在吵雜的工廠參觀途中，主管比手勢向訪客指出緊急出口的位置。

The tour guide gesticulated wildly to show our group where the shuttle bus was waiting.

導遊用力比手畫腳，告訴我們這團接駁車在哪裡等候。

When the projector failed, the presenter gesticulated at the whiteboard to explain the sales figures.

投影機故障時，簡報者對著白板比手勢來說明銷售數據。