on the understanding that

1. 以……为条件; 如果

We lent them money on the understanding that they paid it back the next month.

我们借钱给他们, 条件是他们下个月要还。


习惯用语on the understanding that ...1.以...为条件with [on] this understanding1.在谅解的基础上, 根据这个条件, 在这个条件下