pendulum swing

基本解释

Half the time things are better than normal; the other half, they are worse. I believe life is a pendulum swing.
生活时而无比顺畅，时而倒霉透顶，好坏参半。我觉得生活就像来回摆动的钟摆。
blog.sina.com.cn
It might have been even bigger than that: the end of the conservative pendulum swing that began with Ronald Reagan's revolution.
也许，还不仅仅是这些：这还是自里根改革来政策摇摆的终结。
seasand.spaces.live.com
And so, determined to be more liberal and child-centred in our parenting style, we strove for a more egalitarian family dynamic, and promptly let the pendulum swing too far in the other direction.
所以，当我们面临孩子的时候，我们更自由放任并以孩子为中心。我们希望一个更加平等的家庭模式，让平衡往另一个方向倾斜。

So which way will the pendulum swing this fall for gold and gold stocks?
FORBES: Gold Miners Rally Higher, Now The Metal's Turn?
"We are part of the pendulum swing in America to artisan foods and drinks, " echoes Stranahan's Jess Graber.
FORBES: Magazine Article
"I've seen the pendulum swing back and forth, and I hope that the successful mission will push it back in the direction of Mars exploration, " Hubbard said.
MSN: Is huge Mars rover NASA's last big mission to Red Planet?