各级的英文：
all levels

参考例句：

To constitute Tribunals inferior to the supreme Court
设立低于最高法院的各级法院

The cost of compensation shall be included as an expenditure in the government budget at various levels.
赔偿费用,从各级财政列支.

Trade unions at all level shall safeguard the legitimate rights and interests of the workers
各级工会依法维护劳动者的合法权益

About revitalization. Here, it is crucial to have younger leading cadres at all levels.
增强活力，现在最大的问题是各级领导班子的年轻化。

"In every rank, great or small, 'Tis industry supports us all"
不论高的低的各级人士,所持的都是勤劳

This problem exists in leading organs at all levels of the Party and government and in all fields of endeavour.
各级党政领导班子、各行各业领导班子都存在老化的问题

Steps will be taken aimed at restoring the balance between the various levels of government.
将要采取一些旨在恢复各级政府间的平衡的步骤。

The rectangle clearly shows each separate class in the distribution
矩形能够清晰地显示出各级分布状况。

Thus it is important that there is a close relationship between the management accountant and all levels of management.
因此，管理会计人员有必要与各级管理人员保持密切联系。

Elected and appointed authorities at all levels tend to overstep the limits of their power from time to time
美国各级民选及任命的权力机构往往会一次次超越其权限

all是什么意思：
adj. 一切的，所有的；整个的；各种的
pron. 一切；全部；大家，全体
n. 全部财产；所有一切
adv. 完全地；极其

The policy of burn all,kill all,loot all
三光政策

It is all on the house.
费用全由敝店支付。

(all) in a twitter
(极度) 紧张[兴奋],激动

It will all be copper.
里面通通都是铜币。

They are all incompetents.
他们都是些不胜任的人。

levels是什么意思：
n. 水平线，水平面；高度；层；水平；级别
adj. 水平的，同高度的；笔直的；平静的
v. 推平；毁坏；使平等；瞄准；变平；坦率诚实地对待

Level off the shelves with a spirit level.
用酒精水平仪把架子弄平。

But there is plenty of scope at that level.
然而在此水平上还是有足够的余地。

The worker levelled their looks at the foreman.
工人们用目光逼视着工头。

They leveled a field yesterday.
他们昨天平整场地了。

They leveled a building with the ground.
他们拆除了一座建筑物。