一个英语问题under the condition on condition that 连个短语意思一样吗

不一样.
under the condition 在该情况下,
on condition that 在某某条件下
under the condition, we have no choice but to comply
在那个情况下,我们有没有选择,只能遵守
I will lend you the money on condition that you return it tomorrow
我会借你钱,条件是你明天把它还给我

under/ on the condition在这(那)种条件(情况)下;
on condition that..(后跟从句) 条件是……
He is a blind man. It is very hard for him to walk on streets on/under the condition.
You can go now on condition that you have to finish your homework.

不一样。
for example,
I will go there under the same condition
i will go there on condition that you still love me