It means 'the sleeve' in English.
It could refer to a specific place name or have a certain context-dependent meaning. Without further context, it's hard to give a precise translation.
It might mean 'the long sleeve' or 'the long comic' depending on the context.
Well, 'un as bajo la manga' could translate to 'an item under the sleeve'. However, it's a bit of an odd phrase and the context could change the exact meaning. Maybe it's related to something being hidden or concealed in that area.
It roughly translates to 'cards up one's sleeve' or 'hidden tricks'.
I think it might mean 'a ace under the sleeve' but I'm not sure. You might want to check with a proper dictionary or translator.
The translation quality can vary. Sometimes it's decent, but there might be some inaccuracies or odd phrasing.
I'm not sure what you mean by 'la mange'. It doesn't seem like a common expression in English. It could potentially be a misspelling or a phrase from another language.
It could refer to a cape or a peninsula in Spanish. For example, 'La Manga del Mar Menor' is a peninsula in Spain.