每次他见到我母亲，总是很有礼貌地打招呼，叫：“阿姨好！”

Every time he saw my mum, always greeting respectfully, say "Hello auntie."

youdao

她礼貌地向他打招呼，但没有一丝爱意。

She greeted him civilly but with no sign of affection.

《牛津词典》

男孩很有礼貌地向老师打招呼。

The boy greeted his teacher politely.

youdao

男孩很有礼貌地向老师打招呼。

The boy greeted his teacher politely.

youdao