If you spot someone interesting, discreetly throw a ball close to him or her for your dog to fetch.

如果你发现了感兴趣的人，悄悄将球扔到他或她近旁，然后让你的狗狗去捡。

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But my dog's ability to detect motion will ensure he'll fetch the ball back.

但是我的狗对于察觉移动的能力确保了它可以把球取回来。

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It's actually an advanced piece of robotics that won't fetch a tennis ball.

虽然它确实不会叼回抛出去的网球，但它可是一只先进的机器狗。

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The ball went out of play and, when a ball boy took his time retrieving it, Hazard went to fetch it himself.

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