在他的屋子内像有一道界线，工作及日常生活却经常的前前后后进出。
There's a kind of border in his house, but his work and his daily life are constantly going back and forth.
有时我们感到困惑，在思考上前后矛盾——有时我们胡说八道。
Sometimes we get confused or think in an incoherent manner - sometimes we say things that are simply nonsense.
海蒂喊道，边喊边前前后后跑着，一会儿跑向这边一会儿跑向那边，好像这么美丽的景色永远看不够似的。
cried Heidi, as she ran backwards and forwards to look first one side and then the other, for she felt she could not have enough of such a beautiful sight.
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