to be sure; to be certain; sure; certain; definite; to confirm; to affirm; affirmative[cedict]
一定
yī dìngㄧ ㄉㄧㄥˋ
surely; certainly; necessarily; fixed; a certain (extent etc); given; particular[cedict]
出
chūㄔㄨ
to go out; to come out; to occur; to produce; to go beyond; to rise; to put forth; to occur; to happen; classifier for dramas, plays, operas etc[cedict]
了事
liǎo shìㄌㄧㄠˇ ㄕˋ
to dispose of a matter; to be done with it[cedict]