Danger. Keep out.

危险，严禁入内。
Danger. Under construction. Keep out.

建筑重地，危险！禁止入内。
Unsafe bridge. Do not use. 

危桥，请勿使用。

Work in progress.

正在施工。

No unauthorized personnel beyond this point.

未经授权，禁止越过此处。
Safety footwear required.

请穿安全靴。
Safety helmets must be worn on this site.

进入此工地须戴安全帽。
Danger. Site entrance.

工地入口，危险！
Slow down. Site entrance.

工地入口，请慢行。
Construction personnel only.

仅供施工人员使用。
Construction personnel only lift.

此电梯仅供施工人员使用。
Construction is expected to be complete by the end of this year. Thank you for your patience.

此工程于年底完工，感谢您施工期间给予的理解。
We apologize for any inconvenience.

对施工期间引起的不便表示歉意。
Construction overhead.

上面在施工。