The power of the allies aggregated together was great, though individually some were quite weak. 請問老師individually這里是什么成分，怎么樣理解。

副詞individually為下加狀語中的看法下加狀語。等于so far as the individual is concerned. 假如你不熟知下加狀語，簡單地剖析為副詞作狀語即可。你了解意思就好了，不必為句子成分煩惱。一根筷子比較容易折斷，一把筷子你就折不斷了。句子無非表示的就是這種意思。