Anxiety about their health and future made their hearts as heavy as lead.
"健康や将来への不安が心を鉛のように重くさせた"
- Anxiety about their health and future made their hearts as heavy as lead.
leaden
- Thinking of their health and future leadened their hearts with anxiety.
- Anxiety of their health and future leadened their hearts.
"Anxiety about their health and future leadened their hearts."
"Anxiety about their health and future leadened their hearts."
"anxiety about ~" 「〜への不安」"concerns for ~" や "worries about ~" も使えます。
"their health and future" 「〜の健康や将来」
"health" 「健康」
"future" 「将来」
"leadened their hearts" 「心を鉛のように重くさせた」
アメリカ合衆国 
オーストラリア 
