I shall use it to make the leg of a table.

我要用它来做桌腿。

youdao

Put a wad of paper under the leg of the table to make it level.

桌子腿底下垫点纸就平了。

《新英汉大辞典》

One site I came across used the analogy of a baby trying stand up by himself, hanging onto a table leg, and can't stand up.

我在无意浏览到的一个网站上看到过这样一个类比，我们就像一个试图自己站起来的婴儿，扶着桌腿，却站不起来。

youdao

Hitler escaped the full force of the blast when someone moved the briefcase next to a table leg, deflecting much of the explosive force.

NPR: Last Survivor Of Plot To Kill Hitler Dies At 90

In the ER, a little boy of about five years old lies with a bullet wound to in his leg on the table.

NPR: Dodging Bullets to Vote in Haiti's Cite Soleil

Last season, Manchester United's Luis Antonio Valencia missed seven months with a broken leg, before returning deep into March with the club three points clear at the top of the table.

WSJ: Premier League Cavalry