不管你做任何决定，我们都会支持你（whatever）

不管你做任何决定，我们都会支持你

Whatever decision you're going to make, we are all behind you.

楼上翻译有个小问题 any是多余的
应该是
whatever decision you make, we will stand by your side all the time
whatever decision you make, we will support you forever
whatever decision you make, we will support you all the time
whatever decision you make, we will always support you

whatever any decision you made, we will stand by you all the time.

whatever any decision you made, we will stand by you all the time

whatever decision you make,we will stand by your side .