It's not possible to go upstairs at present as builders are working there adding another floor, but the rest's well worth seeing.

目前是不可能上楼的，因为建筑工人正在那里加建另一层楼，但其余的都值得一看。

youdao

Many things in the country are now waiting to be done, but at present they are not able to do the things all at once.

这个国家现在是百废待举，但目前他们还不能做到百废俱兴。

《新英汉大辞典》

Not father but mother was present at the ceremony.

不是父亲而是母亲出席此一仪式。

youdao

But Mr.Abhisit, in recent media comments, says he will not be pressed to take the country to elections at present but is willing to hold talks with protest leaders.

VOA: standard.2010.03.20

The moral of the story... and by the way, they bring him out during meetings of the board at University College London and the minutes record him as present but not voting.

其寓意在于。。。，顺便说一句，伦敦大学学院理事会在开会时,都会把他推出来,会议记录上写着，他到场但未参与表决。

耶鲁公开课 - 公正课程节选

But health is not, at present, the main concern of the groups that campaign for them.

ECONOMIST: Disposing of rubbish, and wrecking livelihoods

There have been confirmed cases elsewhere in the country, but these are not considered at present to be signs of a significant outbreak.

BBC: Measles outbreak gathers pace

In an email, Wutz told me that both human embryonic and induced pluripotent cell culture media and conditions are being developed, but they are not optimal at present.

FORBES: Aberrations Pose A Challenge for Reprogramming Stem Cells