This is the 3951st most frequent Chinese word.
亚于
Inferior to; less than.
In this sentence, "亚于" (not inferior to) is used to compare the academic achievements of the subject to those of others, implying equality or superiority.
他的学术成就不亚于其他杰出的研究人员。
His academic achievements are not inferior to other outstanding researchers.
Here, "亚于" is employed to indicate that the durability of the new material is less compared to traditional materials.
这种材料的耐久性亚于传统材料。
The durability of this material is inferior to that of traditional materials.
In this sentence, "亚于" is used metaphorically to suggest the relative importance or value of inner peace over the external beauty of scenery.