他愛ない

(1)lacking in sophistication or worldliness; "a child's innocent stare"; "his ingenuous explanation that he would not have burned the church if he had not thought the bishop was in it"

(2)世慣れしていない、または世俗的ではない

(3)indicating a lack of maturity; "childish tantrums"; "infantile behavior"

(4)十分な成長の欠如を示すさま

(5)posing no difficulty; requiring little effort; "an easy job"; "an easy problem"; "an easy victory"; "the house is easy to heat"; "satisfied with easy answers"; "took the easy way out of his dilemma"

(6)困難さを示さない

(7)ほとんど努力を必要としないこと

(8)(informal) small and of little importance; "a fiddling sum of money"; "a footling gesture"; "our worries are lilliputian compared with those of countries that are at war"; "a little (or small) matter"; "a dispute over niggling details"; "limited to petty enterprises"; "piffling efforts"; "giving a police officer a free meal may be against the law, but it seems to be a picayune infraction"

(9)微小で重要でない

(1)a fiddling sum of money

(2)少額

(3)a footling gesture

(4)愚かな身振り

(5)our worries are lilliputian compared with those of countries that are at war

(6)私たちの心配事は、戦争中の国の心配事と比べるととてもつまらない

(7)a little (or small) matter

(8)少しの（小さい）問題

(9)a dispute over niggling details

(10)些細な詳細に関する議論

(11)limited to petty enterprises

(12)小規模企業に限定された

(13)piffling efforts

(14)無駄な努力

(15)giving a police officer a free meal may be against the law, but it seems to be a picayune infraction

(16)警官に無料の食事を与えることは違法かもしれないが、それはごく小さな違反だろう