gear
gear
noun
in gear
gear down (或 up)
noun
- (常作 gears)a set of toothed wheels that work together to alter the relation between the speed of a driving mechanism (such as the engine of a vehicle or the pedals of a bicycle) and the speed of the driven parts (the wheels)
齿轮；变速装置
■a particular function or state of adjustment of engaged gears
（调）挡
he was belting along in fifth gear.
他挂在第五挡一路飞驰。 - [mass noun](informal)equipment that is used for a particular purpose
(非正式)（用于特定目的的）设备
■a person's personal possessions and clothes
（个人）财物，衣物
■clothing, especially of a specified kind
（特种）服装
designer gear.
名牌服装。
■illegal drugs
非法药品
- [with obj.]design or adjust the gears in a machine to give a specified speed or power output
使变速；使调挡
it's geared too high for serious off-road use.
挡挂得太高，不宜在路况不好的野外行驶。
in gear
- with a gear engaged
齿轮连上，已啮合
the captain revved the engines and put them in gear.
机长加快发动机转速，使其进入工作状态。
I've got to get my act in gear.
我得采取行动了。
- change to a higher gear
换挡提速
■(figurative)put more energy or effort into an activity
(喻)投入更多精力；采取更大努力
now the champions moved up a gear.
这些冠军付出了更大的努力。
- with no gear engaged
齿轮脱开，不啮合
she took the engine out of gear.
她将引擎停下。
sometimes his brain seems to slip out of gear.
有时候，他的脑袋好像不听使唤了。
- Middle English: of Scandinavian origin; compare with Old Norse gervi. Early senses expressed the general meaning 'equipment or apparatus', later 'mechanism': hence sense 1 (early 19th cent.)
gear down (或 up)
- change to a lower (or higher) gear
换低速（或高速）挡
- make ready or prepared
使（某人）做好准备
a nation geared for war.
全国已经进入备战状态。
- adjust or adapt something to make it suitable for (someone or something)
（为适应某人或某事）对（某物）进行调整（或改造）
- equip or prepare oneself
装备好；准备好
the region started togear up for the tourist season.
这个地区开始为旅游季节的到来做准备。
- equip someone or something for a particular purpose
（为特定目的）装备（某人，某物）
a city not geared up to an outdoor lifestyle.
一个还没有为户外生活方式做好准备的城市。
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