feeble

她变得太虚弱了，无法下床。

She became too ___feeble to get out of bed.

他的声音如此微弱，几乎听不见。

His voice was so ___feeble that it was barely audible.

久病之后，她的声音听起来虚弱而遥远。

After the long illness, her voice sounded ___feeble and distant.