Don't be obsessed by such small things.

别为这种小事犯愁。

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By now an idea obsessed him: that directed radio waves could be used to heat and destroy cancer cells.

一个念头一直缠绕在他的脑海里：导控无线电波也许可以用来加热并破坏癌细胞。

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American girls may be obsessed with celebrity, but they are no less fascinated by themselves.

美国女孩子也许迷恋明星，但她们同时一点也没忘记欣赏自己。

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We political hacks can be obsessed by who's up, who's down, although sometimes reshuffles go wrong - try googling "Blair", "reshuffle" and "botched".

BBC: Peter Hain tipped to leave Labour frontline politics

AHP, by contrast, is obsessed with meeting financial targets any expenditure over a few thousand dollars has to be approved by senior management.

ECONOMIST: Drug mergers

Few, especially readers of this bubble-obsessed newspaper, will be surprised to find that the Federal Reserve helped inadvertently to inflate the financial boom by keeping interest rates low and talking a lot about a productivity revolution, and that it deserves criticism for doing so.

ECONOMIST: When economics meets politics, guess which one wins