be down to (do something)

slang To be ready, willing, or eager to do something. I'm down to play a quick game of soccer if you are. I am so down to see that movie tonight, I've been waiting for it to come out for months! A: "You want in?" B: "Yeah, I'm down."

be down to (one)

To be someone's duty, decision, or responsibility. After your father retires, it will be down to you to lead the company. So I guess it's down to me then. You still can't get ahold of anyone in IT? Well, I guess it's down to me to fix the printer then.

be down to (something)

1. To be or be considered the essential or most important factor or thing. Our success is down to our persistence and precise planning. The movie's failure is down to his terrible, contrived script, and that's that! The crops aren't growing as well this year. I suspect it's down to the lack of rain.

2. To have something reduced to a minimal amount. I can't come with you tonight. I'm down to my last dollar, I'm afraid. We're down to the last two days of the competition, so be sure to enter for your chance to win! The Dodgers are down to their last out. Do you think Taylor will be able to knock in a run to tie the game?

be down to something

COMMON If something is down to something else, the second thing is the cause of the first. When you are asked to score goals, then a lot is down to confidence and Kevin has that. I think that the show's popularity is down to two things.

be down to somebody/something

(informal)
1 be caused by a particular person or thing: She claimed her problems were down to the media. ♢ Our defeat in last week’s game is down to the goalkeeper, who played very badly.
2 be the responsibility of somebody: It’s down to you to check the doors and windows before we leave.

be down to something

have nothing except one or a few items of the kind mentioned: I’m down to my last penny.