The lead broke on this pencil, so I have to sharpen it.

这支铅笔的笔芯断了，所以我只好削尖它。

youdao

He grabbed a pencil, and the lead immediately broke.

他抓起一支铅笔，铅笔芯立刻就断了。

《柯林斯英汉双解大词典》

She broke away from the pack and opened up a two-second lead.

她甩开所有其他赛跑者，以两秒领先。

《牛津词典》

The lead plaintiff in the Chicago case,Otis McDonald, challenged the law after he said criminals broke into his home and made repeated threats.

VOA: standard.2010.06.29

The Slovakian opened up a 4-0 lead in the fourth set and although Tsonga broke back to reduce the lead to 4-3, he closed it out in style.

CNN: STORY HIGHLIGHTS

But it was Everton who took the lead when Fellaini broke up play, fed Drenthe and once Baines delivered into the box it was set for Gibson to smash in, with the shot taking a slight deflection off Gareth Barry.

BBC: Darron Gibson

In January the uptrend broke and it lead to a 9% correction from the highs.

FORBES: Market Could Still Be Forming Head And Shoulders Top