While treading water, one does not push down on the water.

当你做踩水动作时，你不会从水面之上向水下压水。

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When you push down on the handle of a knife you exert a force.

当你按下刀把时，你施加了一种力。

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Push down on your tongue with the flat object, while, at the same time, you push up with your tongue.

把平物按在你的舌头上，同时向上抬起你的舌头。

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Then a long wooden stick is used to slowly push a heavy cover down on the bags.

VOA: special.2009.09.29

This thing, if you now go ahead and very gently corrupt a few of the bytes, you can see that you can push down on that thing pretty easily.

如果我们很小心的,损坏了若干字节，你将会发现很容易把这个东西推下去。

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Push down on the brake pedal forcefully and keep your foot down until you stop.

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You can push down on one side, but it's going to pop right up on the other side.

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Given lighter ones, they realised they had to hold on to the stick and push down on the platform.

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