Definition
to kill someone deliberately
做掉；殺害
The police investigated the mysterious disappearance, suspecting that someone tried to do away with the witness.
警方調查了這起神秘失蹤案，懷疑有人試圖做掉證人。
Their plan was to do away with the traitor in order to protect their organization.
他們的計劃是做掉叛徒以保護他們的組織。
In the movie, the protagonist manages to do away with the villain who is chasing him.
在電影中，主角設法做掉了正在追捕他的反派。