a. lacking in usefulness or value
a. 无价值的, 无益的, 无足轻重的
[法] 无价值的, 无用的
1. This old phone is worthless now since it doesn't work.
这部旧手机现在没价值了，因为它坏了。
2. She felt worthless after losing her job.
她在失去工作后感到毫无价值。
3. Don't throw away that book; it might seem worthless, but it has valuable information.
别扔掉那本书；它看起来可能毫无价值，但里面有宝贵的信息。