Some people think it's unlucky to walk under a ladder.
有些人认为从梯子下面走过不吉利。
She fell off a ladder and broke her arm.
她从梯子上掉下来，摔断了胳膊。
This ladder doesn't seem very stable.
这架梯子好像不太稳。
He got down from the ladder.
他从梯子上下来了。
He put his foot on the bottom rung to keep the ladder steady.
他用脚踩住最底下的横档稳住梯子。