在 + 这 + 一刻
The noun 一刻 (yīkè) means "a moment" or "this instant." It is used to refer to a specific, often significant point in time. For example, 在这一刻 means "at this moment," emphasizing the importance or emotional weight of a particular instant.
在宣布获奖的那一刻,她激动得哭了。
Zài xuānbù huòjiǎng de nà yī kè, tā jīdòng de kū le.
At the moment the award was announced, she was so moved that she cried.
我会永远记住这一刻。
Wǒ huì yǒngyuǎn jìzhù zhè yī kè.
I will remember this moment forever.
在这一刻,全场观众都安静了下来。
Zài zhè yī kè, quán chǎng guānzhòng dōu ānjìng le xiàlái.
At that moment, the entire audience fell silent.