费体力的工作的英文：
elbow grease

elbow是什么意思：
n. 肘部；弯头；扶手
v. 推挤

elbow separator
弯头脱水器

elbow connection
弯头连接

There is a hole on the elbow of my shirt.
我衬衫的肘部有个洞。

He was elbowed by them.
他被他们所排挤。

He elbowed right and left in the crowd.
他在人群中左冲右撞。

grease是什么意思：
n. 油脂；动物油脂；润滑油；贿赂
v. 涂油脂于，用油脂润滑；贿赂

Gasoline cuts oil and grease.
汽油溶解油脂。

grease the fat pig
对有钱人行贿

wash grease out of overalls.
从工装服上洗去油腻

His hair is thick with grease.
他的头发油乎乎的。

Is this the guy they sent to grease us?
这家伙就是被他们派来贿赂咱们的吗？