with open arms 热烈欢迎；热烈地；友好地

【例句】
They would no doubt welcome the action with open arms.
他们无疑将热烈欢迎这一举动。

When grandpa came to visit us at christmas, we welcomed him with open arms.
当祖父圣诞节来看我们时，我们都衷心地欢迎他。