How to translate the worksapce name and document name in en language

I use a certain style of naming worksapces and documnts (xx_xxxx) without spaces
But I want to show it to the user in normal naming like (xxx xxx)


how to translate the worksapces and documnts names in english interface ?
alos i found that when select the worksapce the name not change in other languages

many thanks in advance