bolt
1
bolt / bolt ; bəʊlt /noun C
1. LOCK 锁, a metal bar that you slide across a door or window to fasten it〔门窗的〕金属插销
⇒picture atLOCK²
2. SCREW 螺钉, a screw with a flat head and no point, for fastening things together螺栓
3. a bolt from (out of) the blue news that is sudden and unexpected突如其来的消息; 晴天霹雳:
•Was this money a bolt from the blue or did you know you were going to get it?这是一笔意外之财呢，还是你本来就知道会有这笔钱？
4. bolt of lightning lightning that appears as a white line in the sky闪电，霹雳:•There's not much left of his house after it was struck by a bolt of lightning .他的房子遭雷击之后差不多全毁了。
⇒THUNDERBOLT5. make a bolt for it BrEto suddenly try to escape from somewhere急忙逃跑，拔腿便跑:
•They attacked the driver and he straightaway made a bolt for it.他们袭击司机，司机没命地逃跑。
6. WEAPON 武器, a short heavy ARROW that is fired from a CROSSBOW〔短而粗的〕弩箭，矢7. CLOTH 布, a large long roll of cloth一卷，一匹
⇒have shot your bolt at SHOOT¹ (24)
⇒the nuts and bolts of sth at NUT¹ (6)
2
boltverb
1. Ito suddenly run somewhere very quickly, especially in order to escape or because you are frightened奔，窜:
•The horse reared up and bolted.马儿扬起前腿狂奔起来。
•Kevin had bolted through the open window.凯文从开着的窗子窜了出去。
2. T also bolt down to eat very quickly狼吞虎咽;SYNgobble•He bolted down his breakfast.他狼吞虎咽地吃下早餐。
3. Tto fasten two things together using a bolt用螺栓扣住:bolt sth to sth
•The cell contained an iron bedframe bolted to the floor.牢房里有一张用螺栓固定在地板上的铁床架。
bolt sth together•The boxes were made of heavy panels of metal bolted together.这些箱子是用厚重的金属板钉起来的。
4. Tto lock a door or window by sliding a bolt across闩上，插上〔门或窗〕3
boltadverb
1. sit / stand bolt upright to sit or stand with your back very straight, often because something has frightened you〔常因受到惊吓〕挺直地坐着/站着:
•She sat bolt upright in the back seat.她直直地坐在后座上。
