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1. Though his background was modest, it was in no sense deprived.

尽管他家境一般，但也并不算贫穷。

2. Like a chameleon, he could merge unobtrusively into the background.

他就像一条变色龙，可以神不知鬼不觉地隐藏在背景中间。

3. In the background, in soft focus, we see his smiling wife.

在背景部分，我们可以看到他妻子面带微笑的蒙影像。

4. I kept hearing the sound of applause in the background.

我不断听到隐约的鼓掌声。

5. The book is full of amusing sidelights on his family background.

书中有很多关于他家庭背景的趣闻。