When I'd sit down to read a book, for instance, I was only able tosustain my concentration for a page or two.

当我坐下来读书的时候，我只能集中注意力看一两页。

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The disciple looked at his teacher and said: "I see that I have to sharpen my concentration in order to be able to use this power."

弟子看着师傅说：“我明白了，要想使用这个力量，我必须集中自己的全部精力”

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Being able to devote more energy, concentration and flow to an activity is the primary goal of energy management.

如果能够把更多的精力注意力流向一项活动是精力管理的首要目标。

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A., Carver lived on severance and unemployment insurance, and was able to write stories with greater concentration.

NEWYORKER: Rough Crossings

Schacter served as an Army chaplain during World War II and was able to participate in the liberation of the Buchenwald concentration camp.

WSJ: Prominent NY rabbi dies at 95

So by building up the concentration of ammonium ions inside its retaining membrane, H. pylori is able to fend off the destructive attentions of the hydrogen ions in stomach acid and thus live free from competition by less hardy germs.

ECONOMIST: Stomach turning | The