straight (in a straight line); continuously; always; from the beginning of ... up to ...; all along; always[cedict]
往来
wǎng láiㄨㄤˇ ㄌㄞˊ
dealings; contacts; to go back and forth[cedict]
于
yúㄩˊ
surname Yu[cedict]
in; at; to; from; by; than; out of[cedict]
那
nǎㄋㄚˇ
nàㄋㄚˋ
variant of 哪; how; which[cedict]
that; those; commonly pr. nei4 before a classifier, esp. in Beijing[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]