1. It is not hard to understand why Chinese history is sometimes viewed as a chronicle of the people's struggles with water and food shortages.
2. It is hard to understand why people complain of improved living standards.
3. Lee argues that it's hard to understand and appreciate the new regulations without more concise implementation rules or written guidelines.
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4. But it is hard to understand why the US has been trying to sow seeds of discord between China and its neighbors.
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5. The students came to understand the hardships their mothers faced and vowed to study hard to return the love they got from their moms.
6. People may want a world free of corruption, but it's hard to understand how such a world works.
7. They simply could not understand why he wanted to give up what he had fought so hard to get.
8. It is hard for the public to understand the logic behind such actions.
9. I cannot speak Chinese and these young men and women have so many dialects, it is hard to understand what they mean at times.
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10. It is not hard to understand why the tobacco sector has more tactful PR approaches than other industries.