In the pink 這個短語可以用來形容某人身體非常健康。

例句
I've had a rough few months, but I'm happy to say that I'm back in the pink again.
She's 87 but she's still in the pink!
Our profits are down on last year's but we're optimistic that by year-end we'll be in the pink again.

請注意
Tickled pink 意思是感覺非常榮幸或高興。

例句
He was tickled pink to be chosen to meet the company president.
Thanks so much for sending the flowers – I was tickled pink!

相關知識
The colour pink is increasingly associated with girls in the UK. Over the last 10 -15 years, more and more children's toys and clothes are segregated into the 'gender-specific' colours of pink and blue. There are different theories about why this might be happening. There is also a campaign to stop the trend; a group has been set up which opposes what they call the "pinkification of girlhood". It is called Pink Stinks.
在英國，人們逐漸多的把粉紅色和女孩子聯系在一起。在過去的 10 至 15 年間 ，越來越多的兒童玩具和服裝為了針對不同性別被分成了粉紅色和藍色來。對此現象的發生有很多不同的理論說法。同時也有不少人提出抗議，反對以粉紅色作為女性的象征，這個反對組織的名字叫 “Pink Stinks 粉紅色臭臭”。