有的放矢

yǒudìfàngshǐ
  1. lit. to have a target in mind when shooting one's arrows (idiom)
  2. fig. to have a clear objective

CEDICT

Entry Composition

1 有的 yǒude
  1. (there are) some (who are...)
  2. some (exist)
2 放 fàng
  1. to put
  2. to place
  3. to release
  4. to free
  5. to let go
  6. to let out
  7. to set off (fireworks)
3 矢 shǐ
  1. arrow
  2. dart
  3. straight
  4. to vow
  5. to swear
  6. old variant of 屎 shǐ