I find the best tool for the purpose is a pair of shears.

我發現做這件事最得力的工具是一把大剪刀。

Writing is a good tool for discharging overwhelming feelings…

寫作是宣洩強烈感情的好方法。

The video has become an invaluable teaching tool.

錄像已經成爲非常有用的教學手段。

The threat of bankruptcy is a legitimate tool to extract money from them.

破産威脅是從他們那裏索得錢款的合法手段。

He became the tool of the security services. [+ of]

他成了安全部門的工具。

They're here to learn the tools of their trade from their American colleagues.

他們來這裏向美國同事學習行業技術和技能。

Black-leather jackets and tattoos are the standard tools of the trade for heavy-metal musicians.

黑皮夾克與紋身是重金屬樂手的標準行頭。