词根: infra.

infra下 + ior构成形容词 -> 在下面的 -> inferior较差的

The aristocracy treats beggars as inferiors.

贵族把乞丐们都当做下等人看待。

He often beats those inferior servants.

他经常殴打那些下等的佣人。

Obesity has made him feel inferior for many years.

肥胖让他多年来都感到十分自卑。

Sometimes， factories will cut corners and use inferior material.

有时，工厂会偷工减料，用次等原料。

Modern music is often considered inferior to that of the past.

现代音乐常被认为不如过去的。