Under warranty
在保修期内
A：Oh! Is this recorder still under warranty?
B：It should be. I bought it only one month ago. Now it refuses to work these days.
A：It must be poor quality.
A：噢！这台录音机还在保修期内？
B：应该是。我一个月前刚买了它，可这些天它就不好使了。
A：一定是质量太差了。
