1·Is the car still under warranty ?
这辆汽车仍在保修期内吗？
—— 《牛津词典》
2·Is the laptop still under warranty?
这台笔记本电脑还在保修期内吗？
3·This product is under warranty.
此产品在保修期内。
4·Is the car still under warranty?
这辆汽车仍在保修期内吗？
5·The machine is still under warranty.
这台机器仍在保修期内。
6·This TV set is still under warranty.
这部电视机仍在保修期中。
7·Is it under warranty for some period?
能保证有效期吗？
8·Their machines are still under warranty.
他们的机器还在保修期。
9·Fortunately, it is still under warranty.
幸运的是，它仍然在保修期内。
10·Such CARDS are lost, they are not under warranty.
如此卡丢失，则不予保修。