If you put that much in your mouth, you'll get it stuck in your throat
You'll get it stuck in your throat if you stuff that much in your mouth
You'll get it stuck in your throat if you put that much in your mouth at once
「そんなに口に入れたら…」
"If you put that much in your mouth..." など
「…喉つまりするよ」
"... you'll get it stuck in your throat" など
※この場合それぞれ文章の後半や前半でも使えます。
stuff つめる
at once 一気に など
If you stuff your mouth full of food like that, you're going to choke on it.
この場合、次のような言い方ができますよ。
ーIf you stuff your mouth full of food like that, you're going to choke on it.
「そんなに口に食べ物を詰め込んだら、喉に詰まっちゃうよ」
to stuff one's mouth full of food で「口に食べ物を詰め込む」
ご参考まで！
日本 
カナダ 
