cat's paw

基本解释

The vast Cat's Paw Nebula in Scorpius.
天蝎座里巨大的猫爪星云。
She's actually a cat's paw for her boyfriend, poor girl.
实际上她只是她男朋友的工具而已，可怜的孩子。
Resembling a huge paw print, the Cat's Paw Nebula is a star-formation region, with stars of close to 10 solar masses produced there in the past several million years.
猫掌星云看起来就像一个巨大的爪印，它是恒星形成区域，近几百万年间在猫掌星云里诞生的恒星具有近10个太阳的质量。

But Hizbullah, the Lebanese guerrilla group that is widely seen as a Syrian cat's paw, has pointedly raised the heat on Israel's northern border.
ECONOMIST: But there is little they can do
There's angel step, cat's paw, peanut shell and flower grain.
NPR: Excerpt: 'A Splintered History Of Wood'
Not to put too fine a point on it, he acted as a cat's-paw for his boss, Punch Sulzberger, when the publisher got rid of his own more liberal cousin, John Oakes, as editor of the editorial page.
ECONOMIST: New York opinion-makers