inadequate
🇺🇸
/ɪnˈædɪkwət/
🇬🇧
/ɪnˈædɪkwət/
not enough or not good enough
The water supply was inadequate for the growing town.
供水不足,无法满足这个不断发展的城镇的需求。
not able to handle something well
She felt inadequate when speaking in public.
她在公开场合发言时感到力不从心。