87. 也没有解释为什么without any explanation / giving no explanation
88. 能被分配做另一项工作 could be assigned another task
89. 冒着自己生命危险 at the risk of his life
90. 接电话的却是他的助手it turned out that his assistant answered the phone
91. 他的父亲说服他 his father persuaded him into
