1·My oldest son will be 7 soon.
我的大儿子快7岁了。
2·My oldest son is seventeen.
我最大的儿子十七岁。
3·My oldest son is no longer under my control.
我的大儿子已不服我的管教了。
4·Tom, her oldest son, is slinky 's sales manager.
她的大儿子，汤姆，是斯林克的销售经理。
5·The oldest son replied: "Father, I'll eat it all!"
大儿子说：“爸爸，我要把它都吃了。”
6·His oldest son is 80 and three of his wives have died.
他最大的儿子都80了，他的3个妻子也已经死了。
7·The king's oldest son is heir apparent to the throne.
国王的长子是王位的法定继承人。
8·Turning to Jether, his oldest son, he said, "Kill them!"
于是对他的长子益帖说：“你起来杀他们。”
9·The oldest son should shoulder the burdens of the family.
长子该担负起家庭的重担。
10·When our oldest son turned 5, I got him a used bike for $35.
当我们的大儿子5岁的时候，我用35美元给他买了一辆二手单车。