1·Four hundred workers face the sack.
四百名工人面临解雇的危险。
—— 《牛津词典》
2·She had sent out well over four hundred invitations that afternoon.
那天下午她发出了远不止400份请柬。
—— 《柯林斯英汉双解大词典》
3·I went into a leasehold property at four hundred and fifty dollars rent per year.
我住进了年租金450美元的房子。
—— 《柯林斯英汉双解大词典》
4·Now, there are fewer than four hundred.
现在，只剩下不到400个。
5·"I lived over four hundred years ago," the dodo said.
“我生活在四百多年前。”渡渡鸟说。
6·The number "23,456" can be read as "twenty-three thousand, four hundred and fifty-six".
数字23456可以读作“两万三千四百五十六”。
7·Xu Xiake, a geographer and writer in Ming dynasty, spend more than thirty years on the road four hundred years ago.
四百年前，明朝地理学家、文学家徐霞客在旅途中度过了三十多年。
8·I began a second drawer for more general discoveries: new cave system discovered with dozens of nameless species, four hundred species of bacteria found in the human stomach.
我打开了第二个抽屉里，寻找更普遍的发现：在新的洞穴系统里发现了几十种不知名的物种，在人的胃里发现了400种细菌。
9·This one is four hundred dollars a night.
这一间每晚400美元。
10·Four hundred years ago, the number was over 500 million.
四百年前，这个数量就超过了五亿。