He let himself in with a duplicate key.

他用一把另配的钥匙打开门进去了。

The tight race is almost a duplicate of the elections in Georgia and South Dakota last month that pitted a Republican challenger against a Democratic incumbent.

这次紧张的竞选几乎是上个月在佐治亚州和南达科他州选举的翻版，由一个共和党的挑战者竞争一个现任的民主党人。

I'm on my way to Switzerland, but I've lost my card. I've got to get a duplicate.

我在去瑞士的路上，但是我的卡丢了。我得去补办一张。

His task will be to duplicate his success overseas here at home.

将他在海外的成功经验应用于国内是他的目标。

a business which duplicates video tapes for the film-makers.

一家为电影制片人复制录像带的企业。