“若我离去，后会无期。”用外语怎么说

If I leave, we will never meet again

If I leave, the next meeting will be indefinite.(意指有将有可能发生的）

If I left, the next meeting would be indefinite.（假设，但不可能成为现实）

there isn't a certain date that we will meet again if I leave.

If I leave, there's no knowing when we'll ever meet again.

we would never meet again once i leave away