Whistle commands can be given while riding a creature. You will still direct movement but creatures will attack if near a target.

当骑着一个生物时，可以给哨音命令。你仍然会直接的运动，但生物会攻击如果接近一个目标。

youdao

We were riding things out for a while, iceberg pop up but we still stayed strong.

我们航行了一段时间了，虽然遇到了冰山，但我们依然坚强。

youdao

At six years my senior, he was behind the wheel of a car while I was still riding around the neighborhood on my Razor scooter.

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So are the slash pockets still seen on some suits, which can be easily accessed while riding.

ECONOMIST: Men's clothing