meaning for 埋怨 mányuàn:

  • - to complain
  • - to grumble (about)
  • - to reproach
  • - to blame

wǒmen我们
yīnggāi应该
zuò
de
shì
mányuàn埋怨
de
fǎnmiàn反面
——
biǎoyáng表扬

What we should do is the opposite of complaint-- praise.