Tondemonai
Minna ga daisuki
Subete no rinku issho ni
You may say 'oshiawase ni ne.'
すべてを殺しなさい
First off, "my" is not a phrase. わたし + の + item Depending on your gender and social status, there are various ways of saying "my". The standard, one-size-fits-all phrase is "Watashi no + item", which works for all genders and all social levels.
Sushi.寿司 edge,end, flower, margin, nasal mucus, nose, petal, point, snivel, snot, tip. All those are words that Hana can mean in Japanese
All of them because they just translated the episodes to English you can watch it in Japanese
siempre estas en mi mente
The phrase 'geld verdienen mit werbung' is a German phrase. Translated to English it means 'make money with advertising'. The phrase can be found all over the internet.
Say them in English. That is how you say them in Japanese. Since Trick-or-treating is a very Western thing to do. Halloween didn't exist in Japan until Westerners brought it over so "Happy Halloween" is the same in both languages; the only difference in Japanese is it is pronounced slightly differently because not all the sounds in English exist in Japanese
Vi amo tutti! is an Italian equivalent of the English phrase "Love you all!" The pronunciation of the present indicative phrase in the first person singular will be "vee A-mo TOOT-tee" in Italian.
Tutti i colori is an Italian equivalent of the English phrase "all the colors." The masculine plural phrase models a rare instance in which English and Italian phrase or sentence structure resemble one another. The pronunciation will be "TOOT-tee ko-LO-ree" in Italian.