This is a point very difficult to understand for industry producers, according to Valenzuela.

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Many foreigners are surprised that our national characteristics are sometimes very difficult to understand.

CNN: ASIANOW - TIME Asia | Interview: Foreign Minister Win Aung - Page 1

Their shift pattern, some parts of it are very, very difficult to understand.

BBC: Breakfast with Frost

This makes their economics opaque: it is very difficult to understand what drives costs and whether prices are reasonable and necessary.

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"For me it's very difficult to understand where the news starts because I never speak about my retirement, " the 33-year-old said.

CNN: STORY HIGHLIGHTS

It is very difficult to understand what point you were trying to make, your blog meandered over quite a bit of territory.

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Of the massive security surrounding the series, Mr Cork said it was "very difficult to understand how it's happened and why it's happened".

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But the land question, he had to understand, was very difficult.

ECONOMIST: Manfred von Brauchitsch

We do see a large inflow of European and U.S. bankers (seeking jobs), but (they are) finding it very difficult to get a job here because they don't understand the local markets.

CNN: STORY HIGHLIGHTS

"If the customer is not able to understand the kinds of words and phrases that Indians use, then it's very difficult for them to make a sale or to get something forward to them, " she said.

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