the ä-sound is pronounced similar to the a- sound in English words like dare and air
the ch-sound is pronounced similar to the h-sound in English words like huge, human
Do bist dare'm'lich
Doo Bisst Shwoohl.
Wie alt bist Du? means: how old are you?
"du bist doof" or "du bist blöd" or "du bist dämlich" are equivalent to "you are stupid"
Bist du = are you (informal, singular)
Du bist eine hübsche Frau, du bist süß. = You're a pretty woman, you're sweet.
Phonetically like this:du (doo) bist (bihst) aber (are-ber) so (so) scharf (sharf).
bist du in Ordnung = are you okay
du bist scharf = you are sharp
"Du bist faszinierend." "Du bist erstaunlich."
du bist durcheinander du bist verwirrt
"Du bist alles" means "You are everything".
Du bist die Ruh' = you are the peace.