fol·low-through /ˈfɑloˌθru, ˌfɑloˈ, lə-/
  打球後手腕伸直的情形,完結
  follow-through
       n 1: carrying some project or intention to full completion; "I
            appreciated his follow-through on his promise"
       2: the act of carrying a stroke to its natural completion; "his
          follow-through was straight down the line toward the
          target"; "squash can be dangerous if your opponent has a
          long follow-through"