1
- no obj., with adverbial of direction run or travel somewhere in a great hurry快跑, 急奔, 疾驰：
I dashed into the garden
我急忙奔进花园
I must dash, I'm late.
我要赶快走了, 我迟到了。
2
- with obj. and adverbial of direction strike or fling (something) somewhere with great force, especially so as to have a destructive effect; hurl猛击, 猛掷：
the ship was dashed upon the rocks.
船被猛地抛向礁石群。
2.1
- no obj., with adverbial of direction strike forcefully against something冲击, 撞击：
a gust of rain dashed against the bricks.
一阵急雨拍打在砖头上。
2.2
- with obj. destroy or frustrate (a person's hopes or expectations)使（某人的希望或期望）破灭, 受挫：
the budget dashed hopes of an increase in funding.
预算让增加拨款的希望破灭了。
2.3
- with obj. cause (someone) to lose confidence; dispirit打击; 使气馁：
I won't tell Stuart - I think he'd be dashed.
我不会告诉斯图尔特的——我怕他会受打击。
- Brit. informal, dated used to express mild annoyance〈英, 非正式, 旧〉［用于表示轻微的恼怒］该死的：
' Dash it all, I am in charge.'
“该死的, 我是负责人。”
1
- in sing. an act of running somewhere suddenly and hastily猛冲, 猛奔, 疾驰：
she made a dash for the door.
她猛地冲向门口。
1.1
- a journey or period of time characterized by urgency or eager haste飞奔, 飞驰：
a 20-mile dash to the airport.
飞驰了20英里到机场。
1.2
- chiefly N. Amer. a short fast race run in one heat; a sprint〈主北美〉短跑。
2
- a small quantity of a particular substance, especially a liquid, added to something else一些, 一点（尤指液态物质）：
whisky with a dash of soda.
加了点苏打水的威士忌。
2.1
- figurative a small amount of a particular quality adding piquancy or distinctiveness to something else〈喻〉一点儿, 些许：
a casual atmosphere with a dash of sophistication.
有些造作的休闲气氛。
3
- a horizontal stroke in writing or printing to mark a pause or break in sense or to represent omitted letters or words破折号。
3.1
- the longer signal of the two used in Morse code（莫尔斯电码中的）长划。比较 DOT1.
3.2
- Music a short vertical mark placed above or beneath a note to indicate that it is to be performed in a very staccato manner【乐】断奏符。
4
- mass noun impetuous or flamboyant vigour and confidence; panache炫耀, 华丽。
词源
Middle English （in the sense 'strike forcibly against'）： probably symbolic of forceful movement and related to Swedish and Danish daska.
短语动词
dash something off
- write something hurriedly and without much premeditation奋笔疾书。