/seldom释义：

adv. 很少，不常

例句：

Many people's ideal is to change the world， but they are seldom willing to change themselves.

许多人的理想是改变世界，但他们很少愿意改变自己。

词组：

seldom or never极难得，简直不

2/hardly 释义：

adv. 几乎不，简直不刚刚

例句：

Hardly when his mom arrived home did he begin to do his homework.

他妈妈刚到家他就开始写作业。

词组：

hardly any几乎没有

hardly ever几乎不几乎从来不

hardly more than不足仅仅

hardly when几乎未来得及就…

所以seldom和hardly意思相近，所以seldom和hardly是同义词。