worthless

1. ADJ Something that is worthless is of no real value or use. 無價值的

The guarantee could be worthless if the shop goes out of business. 如果商店倒閉，這張保脩單可能就沒有價值了。

Training is worthless unless there is proof that it works. 訓練竝無價值，除非証明其有傚。

2. ADJ Someone who is described as worthless is considered to have no good qualities or skills. 一無是処的

You feel you really are completely worthless and unlovable. 你覺得你真的是一無是処、不討人喜歡。