איך ײתכן hi, could anyone please explain this to me: איך ײתכן שזה רק יום רביעי i understand each word but the presence of ײתכן puzzles me. how would you translate it in English? is איך ײתכן an expression in Hebrew? i found it here: https://www.facebook.com/DisneyIsrael/photos/a.164835783567610.55779.163137463737442/957484597636054/?type=1 many thanks.