- moving or operating, or designed to do so, only at a low speed; not quick or fast（移动, 运行）低速的; 缓慢的：
until recently diesel cars were slow and noisy
一直到最近柴油车还是速度慢、噪音大
a slow dot-matrix printer.
一台慢速点阵式打印机。
- taking a long time to perform a specified action行动慢的：
she was rather a slow reader
她阅读速度很慢
with infinitive large organizations can be slow to change.大机构不容易变革。
- lasting or taking a long time耗时的：
a slow process
耗时的过程
the journey home was slow.
回程很慢。
- attrib. not allowing or intended for fast travel缓行的：
the slow lane.
慢车道。
- (of a sports field or ground) likely to make the ball bounce or run slowly or to prevent competitors from travelling fast（球场或地面）软的, 阻球的, 奔跑困难的。
- predic. or as complement(of a clock or watch) showing a time earlier than the correct time（钟表）慢的：
the clock was five minutes slow.
时钟慢了五分钟。
- not prompt to understand, think, or learn（理解, 思考, 学习）迟钝的：
he's so slow, so unimaginative
他太迟钝, 缺乏想像力。
- uneventful and rather dull不曲折的, 乏味的, 无趣的：
a slow and mostly aimless narrative.
缓慢乏味、大部分是漫无目的的叙述。
- (of business) with little activity; slack（生意）清淡的, 不景气的：
sales were slow.
销售不景气。
- Photography (of a film) needing long exposure【摄】（胶片）曝光慢的。
- (of a lens) having a small aperture（镜头）小孔径的。
- (of a fire or oven) burning or giving off heat gently（火, 烤箱）小火的, 弱火的：
bake the dish in a preheated slow oven.
用文火在预热过的烤箱烧这道菜。
- at a slow pace; slowly缓慢地：
the train went slower and slower
火车越开越慢了
in combination a slow-moving river.水流缓慢的小河。
- reduce one's speed or the speed of a vehicle or process（人, 车辆, 过程）减速：
the train slowed to a halt
火车减速慢慢停下
investment has slowed down
投资速度慢下来了
with obj. he slowed the car.他把车速放慢。
slow down/up
live or work less actively or intensely（生活, 工作）放松：I wasn't feeling well and had to slow down.
我觉得不舒服, 得放松休息一下。
slow but（或and）sure
- not quick but achieving the required result eventually慢而稳的：
I am making good progress - slow but sure.
我一直都在进步——虽然慢但却很稳。