当他意识到所有麻烦的根源是他父亲时，他真的感到失望。(dawn on)的翻译：When he realized the root of all trouble was when his father, he is really disappointed. (dawn on) 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

When he realized that the root cause of all the trouble his father, he was really disappointed. (Dawn on)

When he realized the root of all trouble was when his father, he is really disappointed. (dawn on)

When he realizes all troubles the root is his father, he really feels disappointed.(dawn on)

When he realized that all the root causes trouble when his father, he is really disappointing. (dawn on)

When he realized the root of all trouble was when his father, he is really disappointed. (dawn on)