使命的英文：
mission
important duty

参考例句：

A sublime mission
崇高的使命

This food factory's sacred mission is to enrich the catering market and promote Chinese culinary art.
丰富饮食市场，弘扬中国烹调文化，是本食品制造厂的神圣使命。

The space shuttle undertook a topsecret mission with a military payload under Pentagon control
航天飞机执行一项绝密使命,所使军用载荷由五角大楼控制。

Every other mission is an extension of that.
其它的每个使命都是这个使命的延伸。

take up (=assume) this mission
承担这使命

He was charged with an important mission.
他被交付重要使命。

Launch forth on a dangerous mission
开始执行一项危险的使命

Till thy business all lies waste.
直到你的使命被完全废弃。

But this was his mission.
但是，这就是他的使命。

Your mandate is search and retrieval.
你的使命是搜索和拯救。

mission是什么意思：
n. 使节团；大使；使命，任务；使命，天职
v. 派遣；传教

But this was his mission.
但是，这就是他的使命。

take up (=assume) this mission
承担这使命

a permanent diplomatic mission
常驻外交使团

important是什么意思：
a.
重要的，重大的；有权力的，有地位的，有影响力的

be of importance;matter
有重要性;有关系

He is an important official in the government.
他是政府的要员。

This is important to the development of dairy industry.
这对乳品业的发展很重要。

duty是什么意思：
n. 责任；义务；职责；职务；税

duty to rear; duty to provide support
抚养义务

a truck; a heavy duty truck
载重汽车

The path of duty is the path of safety
尽职的路是安全的路