Nope, you can’t do that.
“ Moderators need to be able to read everything you write to make sure it’s not unsuitable for the forums. If we can’t, we have to assume the worst and consider the post a breach of the forum guidelines. Posts not in English are subject to deletion.
Note: an extra version in English is not good enough, as a moderator can’t verify that the non-English text is the same as the English one.”
Source: Welcome, Please Read! - #3 by Aerythlea-2611