The chimes of the world’s most iconic clock are to be silenced for the next four years while major conservation works are carried out.

　　世界上最具標志性時鐘的鐘琴將在接下來的四年里靜音，期間會進行大型維修工作。

　　Big Ben’s famous bongs will sound for the last time at noon on Monday, August 21, before they are paused until 2021 - ending more than 150 years of almost continuous timekeeping.

　　在靜音至2021年前，大本鐘著名的當當聲將于8月21日周一中午最后一次響起，結束長達150余年幾乎從未間斷過的計時。

　　The Elizabeth Tower, home to the Great Clock and Big Ben, is undergoing a complex programme of renovation aimed at preserving the landmark for future generations.

　　大本鐘所在地伊麗莎白塔正在經歷一次復雜的翻新計劃，旨在為未來數代人保存這一地標。

　　“Members of the public are welcome to mark this important moment by gathering in Parliament Square to hear Big Ben’s final bongs until they return in 2021.”

　　“歡迎公眾聚集在議會廣場傾聽大本鐘2021年回歸前最后幾回當當聲，以此紀念這一重要的時刻。”

　　The works will see the clock dismantled piece by piece, with each cog examined and restored. The four dials will be carefully cleaned, the glass repaired, the cast iron framework renewed, and the hands will be removed and refurbished.

　　大本鐘將會被一塊一塊地拆卸，每一個鈍齒都將會被檢查和修復。四個轉盤將會被仔細清洗，玻璃將會被修理，鑄鐵框架將會被更新，指針將會被移除和翻新。

　　The Great Bell, popularly called Big Ben, weighs 13.7 tonnes and strikes every hour.

　　大時鐘，通常被稱為大本鐘，重13.7英石，每一個小時就會敲擊一次。