副詞 in a moment:

1. at any moment
   同義詞：momentarily, momently

1. I'll come in a moment.
   我一會兒就來。
2. He isn't in, Please call again in a moment.
   現(xiàn)在他不在，請等會兒再來電話。
3. I'll be back in a moment.
   我一會兒就回來。
4. Please come in and wait for Jack. He'll be back in a moment.
   請進來等杰克吧，他馬上就會回來的。