At the time, radio listeners thought Nixon had won, but those watching Kennedy's tanned, chiseled face on TV, next to a worn-down, 5 o 'clock-shadowed Nixon, were sure it was the junior senator.

当时，电台收听者都认为尼克松赢了，但那些在电视上看到肯尼迪晒黑的、轮廓分明的脸，边上却是疲惫的、满脸短髭的尼克松，都肯定资浅的参议员赢了。

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While some recent graduates find success, many are worn down by a gantlet of challenges and disappointments.

虽然有一些新近毕业的学生取得了成功，但是多数人在挑战与失望的双重打击下疲敝不堪。

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Notice how the tread on this tyre has worn down.

注意这个轮胎的花纹磨损的程度。

《牛津词典》

The worn-down, travel-weary businessperson is looking for proximity, convenience and comfortable amenities in an airport hotel.

CNN: Check in: World's best airport hotels

"Men often wear scuffed or worn-down shoes that subvert the effort they spent on the rest of their appearance, " he writes.

FORBES: Business Basics

With sections of sand, solid rock and even worn-down bridges that drivers must inspect before crossing, the 200km road takes nearly 24 hours to drive.

BBC: Seven of the world��s riskiest roads