A rung on/of the ladder (idiom)

　　● One of the stages or levels in something such as a process or organization, through which it is possible to rise or make progress.（梯級，層次）

　　Examples:　　

　　1.Once you rise a few rungs up the ladder, life becomes easier.

　　 2.I started my life on the bottom rung of the ladder in this company.

　　Rezone (verb)

　　●To assign (land or property) to a different category of restrictions on use and development.

（改劃（土地或物業）用途）

　　Examples:　　

　　1.They submitted a proposal to rezone part of the Brooklyn waterfront.　　

　　2.The site was farmland and required a rezoning to proceed with construction.

　　Step up (phrasal verb)

　　●To increase.（加強，增加）

　　Examples:　　

　　1.The factory stepped up production to meet the growing demand.

　　2.The president has stepped up the pressure on the groups to come to an agreement.

　　Give thought to (sth) (idiom)

　　●To consider, reflect upon, or think hard about something.（考慮）

　　Examples:　　

　　1.Have you given any thought to my proposal?　　

　　2.After I have had time to give some thought to the matter, I will call you.

　　Once and for all (idiom)

　　●Completely and finally.

　　（徹底地，永久地，一勞永逸地）

　　Examples:

　　1.We have to resolve this matter once and for all.　　

　　2.If we act fast, we can once and for all prevent wild animals in Britain from suffering terrible cruelty.