前边的介词用in,例如:

1、in the meanwhile, chatting with acquaintances gives us a sense of belonging.同时,和熟人们闲聊也让我们感到一种归属感。

2、and in the meanwhile the clocks appeared to have made up their minds never to strike three anymore.在这期间,时钟似乎已经下定决心再也不敲打三下了。