to block an area by using a rope or barrier
用绳子或障碍物封锁一个区域 (yòng shéngzi huò zhàng'ài wù fēngsuǒ yīgè qūyù)
"Staff will rope off the wet floor for safety."
"工作人员将为安全起见封锁湿滑的地面。" (Gōngzuò rényuán jiāng wèi ānquán qǐjiàn fēngsuǒ shīhuá de dìmiàn.)
Don’t become discouraged.
To make an important new discovery or innovation; to do some...
having traditional beliefs or methods
to insert or add something gradually
to have something very valuable that is not yet realized
plans are uncertain or not decided yet