gain/put on flesh 发胖，长肉

例句：

I've put on a lot of flesh recently.

我最近胖了不少。

lose flesh 消瘦，减重

例句：

I'm on a diet to lose flesh.

我正在节食减肥。

a thorn in the flesh of someone 眼中钉，肉中刺，不断让人烦心的人或事

例句：

A relentless women's right campaigner, she was a thorn in the government's flesh for years.

她是个坚持不懈的女权斗士，多年来一直是政府的眼中钉。

flesh and blood 血肉之躯（有常人的需要、感情和缺点）

例句：

This cold weather is more than flesh and blood can stand.

如此寒冷的天气非常人所能忍受。

in the flesh 活生生地，亲自，本人

例句：

I've heard that the queen is coming here in the flesh.

我听说女王将亲自造访这里。

make someone's flesh creep/crawl 使起鸡皮疙瘩，令人毛骨悚然

例句：

The ghost story made my flesh creep.

那个鬼故事让我毛骨悚然。

one's (own) flesh and blood 亲骨肉，亲人

例句：

How can you be so cruel to him when he's your own flesh and blood?

他可是你的骨肉至亲，你怎能对他那么无情？

flesh out/put flesh on (the bones of) something 充实，加细节于

例句：

The editor told her to flesh out the story.

编辑让她再充实一下这个故事。

You need to put flesh on the bones of these characters.

你需要赋予这些角色以“血肉”。