One day he realized that the phone was his biggest obstacle.

某天他意识到手机是他最大的障碍。

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His biggest obstacle, according to Mr. Hakkarainen, as well as two other former employees and industry analysts, may well be Nokia's stifling bureaucratic culture.

依据Mr . Hakkarainen和另外两位前雇员及产业分析师的说法，他最大的问题是诺基亚那令人窒息的官僚文化。

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It was directed, pure and simple, at co-opting Mr. McCain's help against what Mr. Obama understands is now his biggest obstacle: Senate Minority Leader McConnell.

WSJ: Obama's Senate Play

But perhaps his biggest obstacle is at a place called Karni.

NPR: One Man's Struggle to Do Business in Gaza

Nearly four years later, voters seem to think so: approval of his economic management is near rock-bottom, the single-biggest obstacle to his re-election.

ECONOMIST: Barack Obama��s economic record