古董的英语是antique。（古代流传下来的器物） antique; curio；稀世古董rare antique；（守旧的人） old fogey
双语例句如下：
1、这不是真正的古董——你上当This isn't a genuine antique ─ you've been done.
2、他们在设法把那张普通桌子当真正的古董推销出去。They were trying to palm the table off as a genuine antique.
3、古董的价值依它们的保存状况和稀有程度而定。The value of antiques will depend on their condition and rarity.
4、无价之宝的古董在大火中焚毁。Priceless antiques were destroyed in the fire.
5、他声称把所有的钱都投进了自己的古董生意。He claimed he ploughed all his money into his antique business.
6、他不想身边有那么多老古董。He didn't want all those old fuddy-duddies around.
7、许多经营者都想用古董装饰他们的酒店。Many proprietors try to furnish their hotels with antiques.
8、这些油画除了作为古董，本身没有什么内在价值。The paintings have no intrinsic value except as curiosities
9、所有的古董都已经过鉴别并进行记录。All the antiques have been authenticated and recorded.
10、有些人会把这些奇怪的铁片与木块称作“古董”。Some would call these odd pieces of iron and wood 'antiques'
11、它在为期一天的集市上出售应有尽有的各种古董。It offers the widest selection of antiques of every description in a one day market.