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n (1)工具(any instrument held in the hand and used to do work or perform a task with)[C]：Hammers，saws and screwdrivers are～s. 錘子、鋸和螺絲起子都是工具。garden～s園藝工具;〖同〗instrument，appliance，device;

(2)用(器)具(anything regarded as necessary to the carrying out of one's occupation or profession)[C]：(advertising) be a powerful/necessary/useful～(廣告)是有力的傳媒/必要的手段/有用的工具;Words are the～s of his trade. 語言是他做生意的手段。Books are the～s of this scholar. 書是這位學者的工具。give the government fiscal/monetary～s to stop inflation 給政府以財政/金融手段來扼制通貨膨脹;give the government necessary～s for winning the war 給政府以必要的手段來贏得這場戰(zhàn)爭;

(3)為人利用的工具(person used to carry out the designs of another)[C]：be a～(in the hands) of the secret police/governor/military government/evil people 是秘密警察/州長/軍政府/壞人的工具;Army officers were mere～s in the hands of the Prime Minister. 軍官們只是內(nèi)閣總理手中的工具而已。

vt (在書籍封面)上壓印圖案(work decoratively with a heated tool on the cover or binding of a book)[T+n，尤pass]：～a pattern onto the cover of the book 在書的封面上壓印出圖樣;The cover of the book is～ed in gold. 書的封面燙了金字。

tool up(v adv)用機器裝備(工廠)(vi & vt)：Our factory is just～ing up and will start production in June. 我們廠正在裝備機器，6月份開始生產(chǎn)?！玼p a power plant/war industries 裝備發(fā)電廠/軍事工業(yè);

【辨異】tool 與apparatus、appliance、device、instrument和machine的區(qū)別見APPARATUS。