中ぐらい

(1) 評価の規模の真ん中の周辺で(around the middle of a scale of evaluation; "an orange of average size"; "intermediate capacity"; "medium bombers")(around the middle of a scale of evaluation)

⇒中型の爆撃機(around the middle of a scale of evaluation)

(2) 妥当な、または標準的な範囲内にある過剰でないか極端でない(being within reasonable or average limits; not excessive or extreme; "moderate prices"; "a moderate income"; "a moderate fine"; "moderate demands"; "a moderate estimate"; "a moderate eater"; "moderate success"; "a kitchen of moderate size"; "the X-ray showed moderate enlargement of the heart")(being within reasonable or average limits)(not excessive or extreme)

⇒エックス線は中程度の心臓肥大を示した(not excessive or extreme)

(3) (not extreme; "a moderate penalty"; "temperate in his response to criticism")(not extreme)

⇒批評に対する彼の反応は控えめである(not extreme)

(4) 特殊の区分、階級または地位がある一般的に出会った(lacking special distinction, rank, or status; commonly encountered; "average people"; "the ordinary (or common) man in the street")(lacking special distinction, rank, or status)(commonly encountered)

⇒道の普通（または一般の）の人(commonly encountered)

(5) サイズにおいて中間の(intermediate in size)

(6) 例外的な性質や能力が欠けているさま(lacking exceptional quality or ability; "a novel of average merit"; "only a fair performance of the sonata"; "in fair health"; "the caliber of the students has gone from mediocre to above average"; "the performance was middling at best")(lacking exceptional quality or ability)

⇒その性能はせいぜい平均程度であった(lacking exceptional quality or ability)