感到遗憾用英语怎么说？

感到遗憾

例句

• China regrets the abrogation of the Anti-Ballistic Missile Treaty. 中国对《反弹道导弹条约》失效感到遗憾。
• Both Catherine Beatty and her sister Alice Hafner regret those trends. 贝蒂和她的姊妹盖夫纳都对这种趋势感到遗憾和惋惜.
• I'm sorry about what's happened... 我为所发生的事情感到遗憾。
• China regrets the abrogation of the Anti - Ballistic Missile Treaty. 中国对《 反 弹道导弹条约》失效感到遗憾.
• I was sorry he had left, although I soon developed a productive relationship with his successors. 虽然我很快就和他的继任者建立了良好的关系，但是我仍然对他的离开感到遗憾。
• I'm sorry about what's happened... 我为所发生的事情感到遗憾。