Let the dog alone; it will bite you if you pull its tail.

不要惹那条狗；如果你去扯它的尾巴，它会咬你的。

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Wonderful! Says the preacher, but what happens if you pull both strings?

“太棒了！”传教士说，“但是如果我同时拉动两条绳子，会发生什么呢？”

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The cat will scratch you if you pull her tail.

如果你拉猫的尾巴，它就会抓你。

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But carrots loose their sweetness if you wait too long to pull them from the ground.

VOA: special.2009.02.24

Even in the case of this spring, when you pull it, if you pull it to the right by some force.

甚至是在这样的弹簧问题中,当你拉它的时候,如果你用力向右拉

耶鲁公开课 - 基础物理课程节选

Namely, if you pull it by so much, that's the force it will exert.

也就是,将弹簧拉伸这么长,它产生的力就有这么大

耶鲁公开课 - 基础物理课程节选

Shareholders, especially if you pull the stock price charts from this summer, lost really big.

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We are all fit and even when our backs were against the wall, if you pull together there is nothing you can't achieve.

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If you pull those wires, you disconnect the brake and taillights.

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