seldom

很少、不常、难得

He seldom watches television during the week.

他平日很少看电视。

鲜少、罕见地正式；置于句首时主词与助动词倒装

Seldom have I seen such a beautiful sunset.

我鲜少看过这么美的夕阳。

几乎从不、难得一次

She seldom, if ever, complains about the workload.

她几乎从不抱怨工作量。