fairly(in a fair manner) adverb [UK: ˈfeə.li] [US: ˈfer.li]
frankly(in a frank, open or (too) honest manner) adverb [UK: ˈfræŋ.kli] [US: ˈfræŋ.kli]Tell me frankly. = Dígamelo francamente.
honestly(in an honest manner) adverb [UK: ˈɒ.nɪst.li] [US: ˈɑː.nəst.li]I honestly think it's better to be a failure at something you love than to be a success at something you hate. = Francamente creo que es mejor ser un fracaso en algo que amas de lo que ser un éxito en algo que odias.
straightforward(In a straightforward manner) adverb [UK: ˌstreɪt.ˈfɔː.wəd] [US: ˈstreɪt.ˈfɔːr.wərd]