"When the only tool you have is a hammer, every problem begins to resemble a nail."
当你手里唯一的工具是锤子时，所有的问题看起来就像是钉子。
"He that is good with a hammer tends to think everything is a nail."
善用锤子的人倾向于把所有的事都看成钉子。
"If the only tool you have is a hammer, you tend to see every problem as a nail."
假如你手里唯一的工具是锤子，你容易把所有的问题都看成钉子。
"If you only have a hammer, you tend to see every problem as a nail."
假如你仅有锤子，你就倾向于把所有问题看成钉子。
"To the man who only has a hammer in the toolkit, every problem looks like a nail."
即如一个人的工具箱内只有锤子，所有的问题就看起来像钉子。
"When all you own is a hammer, every problem starts looking like a nail."
当你所有的拥有仅仅是锤子，所有的问题就开始看起来像钉子。