at the very minute
まさにその瞬間に
at the water's edge
水辺で[に]
at the whim of ...
(人に)言われるままに
at the word of command
号令一下
At these parties, anything goes.
こういうパーティーではどんなことでも許される
At this distance we cannot hope to know the truth.
今となっては事の真相を知るすべもない
at this juncture
この重大事に,この際
at this late hour
こんな夜ふけに
at this minute
ちょうど今
at this moment =((英))at this moment in time
今,現在