上级的英文：
higher authorities
superiors

参考例句：

Accommodation collar
敷衍上级压力而进行的拘捕

Responsible to higher authority; accountable.
对上级负责的；应负责任的

show disrespect for one's seniors
对长辈[上级]不尊敬

He got quite a blessing from his superior
他被上级训了一顿。

He fell into disfavour with his superiors
他失去了上级的宠爱。

Learned to pick up on his superior's moods and act accordingly.
学会注意上级的情绪并见机行事

A soldier must obey his superior officers.
军人应服从上级军官。

The higher autheorities assigned this task to the research institute.
上级把这个任务交给了研究所。

Soon he was caressed by his superiors.
他很快就受到了上级的赏识。

He didn't dare to beard his superior.
他不敢公然与上级对抗。

higher是什么意思：
adj. [high] 的比较级；更高的

The help are demanding higher wages.
雇工们要求增加工钱。

Responsible to higher authority; accountable.
对上级负责的；应负责任的

You will have to remit this problem to a higher authority.
你得把这个问题提交给上一级。

authorities是什么意思：
n. 权力；行政管理机构；当局；当权者；权威；权威人士；威信；许可；授权书

The authority is not reasonable.
这个判例并不合理。

A person in authority, with authority, speaks slowly.
一个有权威，使用权利的人，说话很慢。

Do you have the balls to challenge authority?
你有挑战权威的胆量么？

superiors是什么意思：
adj.优良的；强的；级别高的
n. 优胜者；上级；长官

Superior sealing comes from superior materials.
优良的密封效果来源于优质的密封材料。

No corporate directorate is superior to law.
没有任何公司的董事会地位高于法律。

superior cream wafer
高级夹心威化饼