give in指不再堅持自己的行為或觀點等,而按別人的要求去做,即屈服的意思壹般作不及物動詞
give up sth/doing放棄某事/做某事.如:David gave up his work/smoking yesterday.
give in (to sb)(向某人)屈服.如:Liu Hulan never gave in to the enemy