to ask; to invite; please (do sth); to treat (to a meal etc); to request[cedict]
在
zàiㄗㄞˋ
(located) at; (to be) in; to exist; in the middle of doing sth; (indicating an action in progress)[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]
签名
qiān míngㄑㄧㄢ ㄇㄧㄥˊ
to sign (one's name with a pen etc); to autograph[cedict]