Wherever tourists go in this city, they will see a warm smile on the street or hear a happy "hello" in a public park.

无论游客到这个城市的哪个地方，他们都会在街上看到人们热情的微笑，或者在公园里听到一句愉快的“你好”问候。

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The barman beamed a warm smile at her.

酒吧侍者对她热情地微笑。

《牛津词典》

If you want people to see you as warm and friendly, she says,just smile.

VOA: special.2009.11.24

With a warm smile, she plays hostess, serving tea she brings from the kitchen.

CNN: Saving Aesha

One little boy in blue pyjamas and sandals gave us a warm smile, through chattering teeth.

BBC: Syrian refugees endure plunging temperatures

She has a nurse's warm smile and simple manner, sympathizing with patients who struggle with their diets or medicine.

FORBES: Nurse Hoffa