分两种情况：
（摘自“牛津英汉双解词典”）
1 不可数：[U] (for sb/sth) being responsible or accountable责任; 负责:a position of real,great,major,etc responsibility负实际的、 很大的、 主要的...责任的职务 * have,showa sense of responsibility 有、 显示出责任感 * take,assume,accept,bear full responsibility for the consequences 对后果承担全部责任 * The manufacturers disclaim all responsibility for damage caused by misuse.使用不当而造成的损坏,生产厂家不负任何责任.2 可数：[C] (to sb) commitment or duty for which a person is responsible职责; 任务; 义务:Our business is a joint/shared responsibility.我们的公司实行共同责任制.* It's my responsibility to lock the doors.我负责锁门.* the various responsibilities of the post 这一职位的多种责任.
