The roller is part of brittle material, avoid to use the way in whack, bump, impact and other easily to make mechanical stress.

辊棒属脆性材料，清理时应避免敲击、撞击、冲击以及其它易产生机械性应力的方法。

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Many currencies look more out of whack than in July 2007, when we last compared burger prices.

许多货币看起来比我们上次比较汉堡包价格的2007年7月的时候更有问题。

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And after a day of working in this arrangement I feel a lot better and my neck doesn't feel out of whack.

做了这样的调整后，一整天工作下来，我感觉比以前好了很多，脖子也不像以前那样难受了。

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But over the past several days, it has turned into another mallet in the whack-a-mole game of primary season.

NPR: Candidates Weigh Taking Federal Campaign Money

As Mr Tanter explains, American idealism in wanting to whack the wicked needs to have strong domestic support and few lobby groups are as powerful in the United States as Israel's.

ECONOMIST: Curbing terrorism

If you are smarting over a 40% whack in your stock portfolio over the past year, take consolation from the government's plight.

FORBES: Magazine Article