100 Phrasal Verbs in 100 Days 19/100: To Let Someone Down 😔🤦♂️ Let's learn a new phrasal verb: to let someone down This means to make someone unhappy because you didn't do something you promised, or something they expected you to do. For example, let's say you made a promise to a friend earlier in the week, but you broke that promise, you could say: "I told my friend I would help him on Saturday, but I forgot. I really let him down." Or an Olympic athlete that didnt win a medal might say: "I feel like I let my country down." It's not a nice feeling to let someone down, or for someone to let you down. We all try to keep our promises! Has someone ever let you down? Or did you let someone down?