Be aware of the terrible strain it can put on a child when you expect the best grades.

当你期盼最佳成绩时，要意识到这可能给孩子带来的可怕压力。

《柯林斯英汉双解大词典》

The strain on the cable would be more than most materials could bear.

缆线上的张力要比大多数材料所能承受的还要大。

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But, he said, the rupee is unlikely to depreciate further, and 'with dollar revenue likely to come under more pressure, there will be further strain on growth.

但他认为，卢比不大可能继续贬值，随着美元收入有可能面临更多增长压力，这些企业的增长阻力将会进一步加大。

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Hundreds of millions braved the cold winter weather to travel home to be with their families, putting a great strain on the country's transport system.

VOA: standard.2010.02.14

Teachers here realize such absences can be a strain on the students.

CNN: Fort Bragg families struggle with risks of war

In fact, one paper Mercola cites, which noted a 71% increase in the prevalence of 19A, also said there had been a dramatic 44% reduction in invasive pneumococcal disease, including pneumonia, meningitis, and bloodstream infections and that includes the increase in 19A. The new vaccine, Prevnar 13, introduced in 2010, protects against the deadly 19A strain, which now appears to be on the wane.

FORBES: A Vaccine Eliminated A Deadly Killer Of Infants. So Why Do Some People Fear It?

That theory received a big boost when tests on the British virus showed it to be virtually identical to the strain that had caused the Hungarian outbreak.

ECONOMIST: Avian flu