竣工的英文：
be off

参考例句：

Completion ceremony
竣工仪式

The finished bridge has a pleasing appearance.
竣工的桥梁的外形令人心旷神怡。

She looks forward,as does her secretary, to the completion of the building.
她像她的秘书那样盼望工程竣工。

Completion of the building work is taking longer than expected.
建筑工程的竣工比预计的时间要长.

Completion of the building work is taking longer than expected
建筑工程的竣工比预计时间要长。

Floor Space of Residential Buildings under construction, completed and sold
各地区住宅施工、竣工、销售面积.

Implementation Completion Report - ICR
项目竣工报告(简写为ICR)

The project will be completed by the end of October.
这项工程到10月底全部竣工。

The Minister cut the tape to open a new section of the motorway.
部长为一段新高速公路的竣工剪彩.

Work on it had begun before my sister left. The house was completed five months ago.
在我妹妹离开之前就动工了。五个月前新宅竣工。

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断

take off clearance = clearance for take off
起飞许可

They panned off the sand and dirt.
他们用淘金盘淘去砂泥。