プログレッシブ和英中辞典(第4版)の解説
よわい【弱い】
❶〔体力がない〕weak；〔虚弱な〕frail
彼女は体が弱い
She is 「physically weak [in delicate health].／She has a frail constitution.
私は胃が弱い
I have poor digestion.
彼は目が弱い
He has weak eyes.／He has poor [bad] eyesight.／He is weak-sighted.
彼女は胸［足］が弱い
She has weak lungs [legs].
弱い者いじめをしてはいけない
Don't bully the weak.
頭の弱い人
a slow-witted [dimwitted] person
❷〔もろい〕weak
弱い土台
a weak foundation
弱い作りのいす
a flimsy chair
弱い布地［紙］
cloth [paper] that tears easily
❸〔激しくない〕weak；〔かすかな〕faint
弱い風
a gentle breeze
この機械はどんな弱い震動も記録する
This instrument records even the slightest tremor.
このフィルムは弱い光にも感光する
This film is sensitive even to very faint [feeble] light.
弱い酒
weak liquor／mild wine
❹〔力・勢いなどが少ない〕weak
弱い国［チーム］
a weak nation [team]
意志が弱い
be weak-willed
性格が弱い
have a weak character
気が弱い
be timid
彼の主張は根拠が弱い
His assertion does not rest on a firm [solid] base.／He has little basis for his claim.
説得力の弱い議論
a weak [an unconvincing] argument
今，弱い立場にある
〔不利な〕I am in a disadvantageous position.／〔威張れない〕I have to maintain a low profile now.
弱い立場にある人々
the weak
❺〔不得意だ〕weak ((in))；poor ((at))
彼は数学に弱い
Mathematics is his weak point.／He is 「weak in [poor at] mathematics.
学力の弱い生徒たち
pupils who are poor at school subjects
彼はチェスが弱い
He is a poor hand at chess.／He is a poor chess player.
❻〔抵抗力が少ない〕
私は船に弱い
I am a poor [bad] sailor.
寒さに弱い
be sensitive to cold
彼は酒が弱い
He gets drunk very easily.
君にそう言われると弱いんだ
You've hit a sore spot, and there's nothing I can say.
この生地は摩擦に弱い
This material cannot stand [withstand] much friction.
この材質は熱に弱い
This material 「is easily affected by heat [is not heat-resistant].
❼〔目がない〕
酒に弱い
He has a weakness for liquor.
彼は女に弱い
〔目がない〕He has a weakness for women.／〔乗せられやすい〕He is a sucker for women.／〔苦手である〕He does not know how to deal with women.