out of politeness

常見例句

People often ask about health out of politeness. This is a very common way to begin a conversation.
人們常常出于禮貌問候健康。這是開始交談時常說的話題。
I don't understand how a woman can leave the house without fixing herself up a little if only out of politeness.
我無法理解，一個女人怎么能夠不稍微打扮一下就出門——哪怕是出于禮貌。
leviban.blog.163.com
For one thing, when the Chinese ask, out of politeness, for "guidance", they will be less prone to rush into offering advice.
謙虛一點，去到中國，人家客客氣氣地請我們“指點”，我們就不會動不動對人家“指指點點”。