The last 12 months have been difficult ones for local radio.

最近的12个月对地方广播电台来说是艰难的。

《柯林斯英汉双解大词典》

It is difficult for heroes to remain untarnished, still less Soviet ones, but on the 50th anniversary of the first human travel in space, such a fate is reserved for Yuri Gagarin.

英雄很难永葆昔日光环，更何况是苏联的英雄。然而在人类实现首次太空旅行的50周年纪念日，尤里·加加林却光芒依旧。

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Then he said to his wife: "Let's start from distant destinations with difficult terrains when we can still move about, leaving the easier-to-reach ones for later.

郑昌业对老伴说：“趁着咱们腿脚还麻利，咱就先难后易，从远到近开始吧。”

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Which means that it is very difficult to detect a rational motive for the taking of real bets matched by offsetting fictional ones, because it is very difficult to see how any individual could have profited by such a stratagem.

BBC: The how but not why of UBS's losing bets

As the Syrians and Israelis have already discovered, when nothing is down on paper, it is difficult for new talks to start from where the old ones broke off.

ECONOMIST: Limiting Camp David��s damage

All these rules make it hideously difficult for new parties to break the electoral oligopoly of the existing ones.

ECONOMIST: Suck it and see