an interjection; to express doubt or to question; to show realization; to stress[cedict]
(interj. for surprise)[cedict]
oh (interjection)[cedict]
(a modal particle showing affirmation, approval, or consent)[cedict]
怎么
zěn meㄗㄣˇ ㄇㄜ˙
how?; what?; why?[cedict]
回
huíㄏㄨㄟˊ
to circle; to go back; to turn around; to answer; to return; to revolve; Hui religious minority (Chinese Muslims); time; classifier for acts of a play; section or chapter (of a classic book)[cedict]
事儿
shì ㄕˋ
one's employment; business; matter that needs to be settled; erhua variant of 事, thing, matter, affair etc[cedict]