this; these; (commonly pronounced zhei4 before a classifier, esp. in Beijing)[cedict]
以前
yǐ qiánㄧˇ ㄑㄧㄢˊ
before; formerly; previous; ago[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]
really and truly[cedict]
aim; clear[cedict]
后来
hòu láiㄏㄡˋ ㄌㄞˊ
afterwards; later[cedict]
不
bùㄅㄨˋ
(negative prefix); not; no[cedict]
知道
zhī daoㄓ ㄉㄠ˙
know; be aware of[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]
改成
gǎi chéngㄍㄞˇ ㄔㄥˊ
to convert; to turn into (sth else); to adapt (a story to another medium)[cedict]