Definition
To decisively stop something from occurring or to bring something to a complete end.
阻止某事發生；或最終完成某事。
We need to knock this plan on the head as soon as possible before it causes more damage.
我們需要盡快阻止這個計劃，以免造成更多損害。
We need to knock this project on the head before we go over budget.
我們需要在超支之前完成這個項目。
The team played exceptionally well in the last game and finally knocked their losing streak on the head.
球隊在上一場比賽中表現出色，終於結束了連敗。