in a moment

副词 in a moment:

1. at any moment
   同义词：momentarily, momently

1. I'll come in a moment.
   我一会儿就来。
2. He isn't in, Please call again in a moment.
   现在他不在，请等会儿再来电话。
3. I'll be back in a moment.
   我一会儿就回来。
4. Please come in and wait for Jack. He'll be back in a moment.
   请进来等杰克吧，他马上就会回来的。