to reply; to respond; to promise; to agree[cedict]
一
yīㄧ
one; 1; single; a (article); as soon as; entire; whole; all; throughout[cedict]
首
shǒuㄕㄡˇ
head; chief; first (occasion, thing etc); classifier for poems, songs etc[cedict]
过去
guò quㄍㄨㄛˋ ㄑㄩ˙
(in the) past; former; previous; to go over; to pass by[cedict]
上
shàngㄕㄤˋ
on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
我们
wǒ menㄨㄛˇ ㄇㄣ˙
we; us; ourselves; our[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]