与此同时 这四个字怎么翻译成英文

与此同时:
1. meanwhile
2. at the same time
3. meantime

与此同时，我们等候着
Meanwhile we waited
简在油漆墙壁，与此同时帕特在看电视。
Jane was painting the walls and meanwhile Pat was watching T.V.
与此同时我继续进行调查。
Meanwhile I continued my investigations.

at this time
at the same time

at the same time, meantime, meanwhile

at the same time/moment

at the same time
meanwhile