中式英語口語糾錯:Little children are difficult to understa

【中文這樣說】
    小孩子很難能理解
    【英文對比翻譯】
    Chinese Style: Little children are difficult to understand that.
    American Style: It is difficult for children to understand that.
    所用到的句型是It is +adj+for+sb to do sth 對于莫人來說做某事很困難。