To raise one's head and hands to the forehead, indicating extreme joy, gratitude, or reverence.
当得知考试顺利通过时，他喜不自胜，举首加额，感谢所有帮助过他的人。
When he learned he had smoothly passed the exam, he was overjoyed and, raising his head and bringing his hands to his forehead, thanked everyone who had helped him.
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