薄弱

(1)lacking substance or significance; "slight evidence"; "a tenuous argument"; "a thin plot"; a fragile claim to fame"

(2)実質または重要性の欠如

(3)weak in willpower, courage or vitality

(4)精神力、勇気または生命力が弱い

(5)pathetically lacking in force or effectiveness; "a feeble excuse"; "a lame argument"

(6)痛ましく、力または有効性を欠いている

(1)a feeble excuse

(2)弱い弁解

(3)a lame argument

(4)苦しい議論