Some people think it's unlucky to walk under a ladder.

　　有些人認為從梯子下面走過不吉利。

　　She fell off a ladder and broke her arm.

　　她從梯子上掉下來，摔斷了胳膊。

　　This ladder doesn't seem very stable.

　　這架梯子好像不太穩(wěn)。

　　He got down from the ladder.

　　他從梯子上下來了。

　　He put his foot on the bottom rung to keep the ladder steady.

　　他用腳踩住最底下的橫檔穩(wěn)住梯子。