这是我的责任用英语怎么说

这是我的责任用英语可以表达为 "This is my responsibility."

来源：responsibility 这个词来自拉丁语的 "responsus" 和 "responsibilitas"，意思是回答和责任。

例句：

"It's my responsibility to make sure everyone is safe." (这是我的责任确保每个人都安全。)
"I take full responsibility for my actions." (我对我的行为负全部责任。)
"As the manager, it is my responsibility to ensure the project is completed on time." (作为经理，这是我的责任确保项目按时完成。)