1、He's the best physician that knows the worthlessness of most medicines.
知道大多數(shù)藥物一文不值的醫(yī)生，才是最好的醫(yī)生。

2、We learn the truth worthlessness of material things.
我們了解物質(zhì)的渺小。

3、Do you feel worthlessness or excessive guilt nearly every day?
你是否整天覺得沒有價值或者很有負罪感？

4、concede the loss or worthlessness of something or somebody.
把某事物中沒有價值或已損失的部分取消。