in·suf·fi·cient·ly
adverb/ˌɪnsəˈfɪʃntli/
/ˌɪnsəˈfɪʃntli/
(formal)- to a degree that is not great enough for a particular purpose; not as much as is necessary
不足：在某种程度上不足以满足特定目的；没有必要的 - The army was insufficiently strong to make further advances.
军队实力不够，无法进一步推进。
Oxford Collocations DictionaryInsufficiently is used with these adjectives:- precise
- radical
- The army was insufficiently strong to make further advances.