一来一往
yī​lái​yī​wǎng

back and forth

yī​lái​yī​wǎng back and forth
  1. 一 yī numeral
    one
    one; the number 1; single; alone
  2. 来 來 lái verb
    to come
    To come; to arrive; to move toward the speaker; to crop up or happen
  3. 一 yī numeral
    one
    one; the number 1; single; alone
  4. 往 wǎng verb
    to go
    to go to a place; to head in a direction; to travel toward a destination

yī​lái​yī​wǎng give-and-take
  1. 一 yī numeral
    one
    one; the number 1; single; alone
  2. 来 來 lái verb
    to come
    To come; to arrive; to move toward the speaker; to crop up or happen
  3. 一 yī numeral
    one
    one; the number 1; single; alone
  4. 往 wǎng verb
    to socialize
    to associate with or have social contact with; to visit