He used a hammer and chisel to chip away at the wall.

他用锤子和凿子将墙壁一点点凿掉。

《柯林斯英汉双解大词典》

Help the team find some aspect of the problem to chip away at.

帮助团队找到问题的一些方面作为切入点。

youdao

But snoring regularly can chip away at the quality of your own sleep.

但是经常性的打鼾就会逐渐影响你自身的睡眠质量了。

youdao

"You are always going to have racism, you are always going to have sexism, you are always going to have classism, that is something that we cannot change in one fell swoop, but with work and efforts like what is being done at IMAN, we chip away at that, one person,one character, one idea at a time."

VOA: standard.2010.03.15

All I needed to do was to chip away the excess stone, to get rid of the marble that shouldn't have been there.

我只要凿去多余的石头，只留下有用的。

哈佛公开课 - 幸福课课程节选

That's when you really get to chip away.

这是你真正开始凿掉的时候。

哈佛公开课 - 幸福课课程节选

As they chip away patiently and thoughtfully around these challenges they ultimately produce award winning art.

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That combination would allow Microsoft to chip away at Google's lead, especially in search advertising.

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Pensions are going away or their benefit accumulation frozen, allowing inflation to chip away.

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