她只是出于礼貌地笑了笑，而非出于关心或感激。用英语怎么说？

她只是出于礼貌地笑了笑，而非出于关心或感激。

She smiled, politely rather than with tenderness or gratitude.

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

smiled

v. 以微笑表示( smile的过去式和过去分词 )；

例句
Farling smiled in acknowledgement and gave a bow...
法林微笑示意，又躬身行了个礼。

politely

adv. 有礼貌地，客气地，委婉地；

例句
You can say 'with due respect' when you are about to disagree politely with someone.
(发表不同意见前的谦语)恕我冒昧,恕我直言

rather

adv. 稍微，有点，相当，颇，宁愿，相反地；int. 当然啦，怎么不；

例句
These wines may taste rather hard and somewhat acid.
这些酒可能喝着比较冲并且有股酸味。

than

conj. 比（用于比较级），宁愿…而不愿，除…以外，一…就；prep. 超过，比；

例句
...more than a thousand acres of land.
1,000多英亩地

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

tenderness

n. 柔软，温和，亲切，心软难处理；

例句
Adnexa tenderness suggests an inflammatory process.
附件触痛提示炎症.

or

conj. 或，或者，还是，不然，否则，左右；prep. <古、诗>在…之前，比…更早；n. [纹章]黑金色、黑色；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

gratitude

n. 感激，感谢，感激的样子，谢意，恩义；

例句
Relief and gratitude were written all over his face...
他一脸释然与感激。