ADJ [oft ADJ to-infinitive]不充分的;不足的;缺乏的 Something that is insufficient is not large enough in amount or degree for a particular purpose. 不充分的;不足的;缺乏的 [formal] [Also + for]
He decided there was insufficient evidence to justify criminal proceedings.
他认定证据不充分无法提起刑事诉讼。
These efforts were insufficient to contain the burgeoning crisis.
VERBS | ADVERB | PREPOSITIONVERBS➤be, prove不充分;證明不充分ADVERB➤quite, wholly十分不充分;完全不夠▸➤simply就是不夠▸➤clearly顯然不充分▸➤woefully可悲地不足PREPOSITION➤for不足以⋯◇The resources available are quite insufficient for the task.現有的資源根本不足以完成這一任務。