直到我后来读了他的回忆录，才知道被压力重重包围的这些年他是多么艰难，而且他对自己和对我的要求是多么严格。
Until I read his memoir, I had no idea how difficult the pressure-packed years had been for him, or how hard he had been on himself, and me.
尽管气象学家知道什么样的条件促进它们的形成，但往往到了基本上晚了的时候他们才艰难的说出雷暴到底什么时候发生。
Although meteorologists know what conditions favour their formation, they are hard-pressed to say exactly where a storm will occur until it is almost late.
你觉得你的生活很艰难？试试做个家长！（你会知道什么才叫艰难…）
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