Most people think it is difficult for them to study a foreign language well.同义句转换
问题描述：
Most people think it is difficult for them to study a foreign language well.
同义句转换
答
很多 人 认为（想)它 是 困难的 对于他们 去 学习 一门 外语 好
翻译过来就是 很多人认为对于他们（自己）学好一门外语是困难的！
Most people think to study a foreign language well is difficult
答
多数人认为学好外语很难
答
studying a foreign language well is difficult from most people's point of view.