【業精於勤，事立於豫】評論
She was frightend at the thought of marrying the ill-mannered man. (她一想到要嫁給那個行為粗魯的男人就害怕。)考文法，of + V-ing
【Majie Chen】評論
of是介係詞 後面的受詞通常為名詞、代名詞、動名詞、名詞片語、名詞子句。(D) marrying