"We feared that the lighting system at the baseball stadium might shake and fall down."
"We feared that the lighting system at the baseball stadium might shake and fall down." "we feared that ~" 「〜と危惧したが 」・「恐怖があった」"we were worried that ~" や "we were scared that ~" も使えます。 "the lighting system" 「照明設備」 "at the baseball stadium" 「球場で」"ballpark" も言えます。 "the lighting system at the baseball stadium" 「球場の照明設備」 "might ~" 「〜かもしれない」 "shake and" 「揺れて〜」 "and fall down" 「倒れる」"fall over" や "topple over" も使えます。