That was a bright spot in an otherwise dull day.

这是在单调沉闷日子里的惟一的欢乐时刻.

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Do not own a happy day, live less dull day!

做不快乐的自己一天, 少活平淡的一天!

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I think the schools in China, felt very dull day, tired.

我觉得,在中国的学校, 感觉天天全部很枯燥,累.

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I know that life is very dull, day by day so specific trivial.

我知道生活是很平淡的, 一天一天如此具体琐碎.

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This is one dull day of my winter vacation.

这就是我寒假期间无聊的一天.

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A delicious dinner can retrieve a dull day.

美味佳肴能够弥补一天的没劲.

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