Eigo wakarimasu ka.
The same way you say it in english: Australians speak English, just with a different accent. "It's hot," or "The food is so hot that if you touch it you are going to get burned." They speak English in Australia!
English word hot can be translated into Kikuyu language as muhio.
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If you mean hot like warm, we say "chaud" If you mean a hot girl or boy we usually use the English word "sexy". So for a hot boy we say "un garçon sexy"
it means hot like fire
You say, "I wanted to know how you were."
The English words "hot water" can be translated to 'Amatsi amanyifu' in African Luhya language.
it means : how do you know that?:
Say hi. it worked for my girlfriend.
'Hot dog' would be ホットドッグ (hottodoggu) in Japanese. The pronunciation is very similar to that of English because ホットドッグ is an English loanword.
You say, "How do they know to speak Spanish?"
"Você sabe inglês?"