by (indicates passive-voice sentences or clauses); to cover; to wear[cedict]
办公室
bàn gōng shìㄅㄢˋ ㄍㄨㄥ ㄕˋ
office[cedict]
算
suànㄙㄨㄢˋ
regard as; to figure; to calculate; to compute[cedict]
怎么
zěn meㄗㄣˇ ㄇㄜ˙
how?; what?; why?[cedict]
一
yīㄧ
one; 1; single; a (article); as soon as; entire; whole; all; throughout[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]