她变得太虚弱，无法下床。

She became too ___feeble to get out of bed.

大多数时候，店主是一个衰老而虚弱的老人，几乎听不见你说话，但却可能是个出色的叙述者。

Most of the times, the owner is a decrepit and ___feeble old man, who can hardly hear you, but who can be a magnificent narrator.

他的声音如此微弱，几乎听不见。

His voice was so ___feeble that it was barely audible.