ladder

名词 ladder:

1. steps consisting of two parallel members connected by rungs; for climbing up or down
2. ascending stages by which somebody or something can progress
3. a row of unravelled stitches
   同义词：run, ravel

动词 ladder:

1. come unraveled or undone as if by snagging
   同义词：run

1. It's considered unlucky to walk under a ladder.
   从梯子下面走过被认为是不吉利的。
2. The director made his son start on the bottom rung of the ladder as an office boy.
   董事让他的儿子从最低级的职员做起。
3. The little boy had an unsteady footing on the ladder.
   那小孩在梯子上站得不稳。
4. This ladder isn't very stable.
   这架梯子不太牢靠。
5. The ladder has eight rungs.
   这梯子有八级。
6. Hard work is often a ladder to success.
   发奋工作常是通向成功的阶梯。

lad.der

n.（名词）

An often portable structure consisting of two long sides crossed by parallel rungs, used to climb up and down.
梯子：一种通常是可移动的结构物，由长长的两边和两边平行的梯级连接组成，用于爬上爬下
Something that resembles this device, especially a run in a stocking.
抽丝：一些与这种装置相似的东西，尤指长筒袜的抽丝

A means of ascent and descent:
上或下的方式：
例句：
ascending the social ladder.
登上社会的阶梯

A series of ranked stages or levels:
一系列等级或水平：
例句：
high on the executive ladder.
处于行政的最高层

v.intr.（不及物动词）
lad.dered,lad.der.ing,lad.ders
To run, as a stocking does.
象长筒袜一样抽丝

来源：
Middle English
中古英语
from Old English hlôder * see klei-
源自 古英语 hlôder *参见 klei-