The phrase "I won" is correct and usable in written English
You can use it when talking about something you have achieved or gained through a competition, lottery, game, etc. For example, "I won the lottery jackpot!"
"I love you, and I know I let you down".
"I know that I let you down," the song goes.
In Portland, OR, Mayor Sam Adams has admitted to lying about an affair with a former male intern, whose romantic activities with Adams began when the lad was under 18. "I have let you down and made mistakes," Mayor Adams said in a video statement, also taking the clean breast route.
"I will let you down," he promises.
"I've let you down," said Mr. Kelly.
"I let you down, and I let myself down," Roberts confesses.
1)"I'm always letting you down".
Fuse ODG won a 2013 Mobo award for best African act. 1 Sam Smith –Stay With Me 2 Mr Probz –Waves 3 Fuse ODG ft Sean Paul – Dangerous Love 4 Rita Ora – I Will Never Let You Down 5 Clean Bandit ft Sharna Bass –Extraordinary 1 Coldplay – Ghost Stories 2 Michael Jackson – Xscape 3 Paul Heaton & Jacqui Abbott – What Have We Become 4 Paloma Faith – A Perfect Contradiction 5 Oasis – Definitely Maybe.
