释义1：If someone is tuned in to something, they are aware of it and concentrating on it.
E.G.1：1.7 billion were there for his birth, 220 countries tuned in for his first step. –例句出处《楚门的世界》
E.G.2：Jim’s father never tuned in when they were growing up. Their mother essentially raised them on her own. –例句出处《The Free Dictionary》
释义2：To watch or listen to a particular broadcast. （观看或收听某个广播电视节目）–相关词汇：Stay tuned!
E.G.1：Be sure to tune in tomorrow, when we’ll have the results of the big contest! –例句出处《The Free Dictionary》
E.G.2：If you’ve just tuned in, this is Dr. Marcia Fieldstone. –例句出处《西雅图未眠夜》
Put someone out of one’s misery：（告之某人其急切想知道的，使其摆脱痛苦或释怀）
释义：To tell someone something they are very keen to know, so that they stop worrying about it.
E.G.1：I wish she had just broken up with me right there, and put me out of my misery. –例句出处：《生活大爆炸》
E.G.2：What’s the difference at this point, right? I mean, why torture me? Just put me out of my misery. –例句出处：《恋爱假期》
PS：However, its origin is from when a suffering animal is put down (or ‘put to sleep’), thus ending its suffering (so it is no longer miserable via illness). –美剧《纸牌屋》的第一个场景还记得吗？