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- Some bright spark has left the tap running all night. 哪个小淘气干的聪明事，让水龙头开了一夜。
- A spark touched off the gunpowder. 一粒火星引起了火药爆炸。
- John is the spark plug on his rowing team. 约翰是划船队的中坚分子。
- Local fighting might spark off a major war. 局部战斗有可能引发一场大规模战争。
- Harden up a little, we need more speed. 把帆索拉紧一点，我们需要加快速度。
- There was a wild spark in his eyes. 他的两眼炯炯发光。
- Hot steel is quenched to harden it. 烧热的钢淬火使它坚硬。
- The varnish takes a few minutes to harden. 清漆几分钟就能变硬。
- He hasn't a spark of generosity in him. 他一点也不慷慨。
- It's hard to get at the spark plug without a proper wrench. 没有一把合适的扳钳，要抓住那个火花塞是困难的。
- The vital spark in him makes him an artist. 他生气勃勃的活力使他成为一个艺术家。
- A cigarette spark started the fire. 香烟的火星引起这场火灾。
- A spark triggered the explosion. 一粒火星引起了这场爆炸。
- Don't harden your heart against him. 别对他硬心肠。
- He showed not a spark of interest in the plan. 他对这个计划一点不感兴趣。
- They were scheming to spark a revolt. 他们策划发起反叛。
- We saw a spark of light through the trees. 我们透过树丛看到闪光。
- He still retains a spark of decency. 他仍然保持着一点起码的体面。
- The car acted up because the spark plugs were dirty. 汽车出毛病是因为火花塞脏了。
- So we find that hardening operation is made up of heating and quenching. 因此我们发现淬火工序包括加热和淬硬两个步骤。
