this; these; (commonly pronounced zhei4 before a classifier, esp. in Beijing)[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
shìㄕˋ
matter; thing; item; work; affair[cedict]
呀
yaㄧㄚ˙
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)[cedict]