不十分

(1)lack of an adequate quantity or number; "the inadequacy of unemployment benefits"

(2)十分な量や数に欠けていること

(3)a lack of competence; "pointed out the insufficiencies in my report"; "juvenile offenses often reflect an inadequacy in the parents"

(4)能力の不足

(5)a tense of verbs used in describing action that is on-going

(6)動作が進行中であることを示すときに使われる動詞の時制