そんなにたくさん

that much

→ そんな
phrase Rare #23,674
that much Emphasizes a large amount or quantity.
JA: そんなにたくさん食べられない。
EN: I can't eat that much.

ぶどうは好きだけど、そんなにたくさんは食べられないよ。

I like grapes, but I can't eat that many.

そんなにたくさん食べるのは異常だ。

Eating that much is abnormal.

もしあなたがそんなにたくさん食べていなかったら、今それほど眠くはないでしょう。

If you hadn’t eaten so much, you wouldn’t be this sleepy now.

そんなにたくさんは持っていけない

I can't take that much with me.

— Arrietty (2010)

クニ子は生まれて初めて、そんなにたくさんお酒を飲んだ。

Kuniko drank that much alcohol for the first time in her life.

あの人がそんなにたくさん飲んだと僕は知らなかった。

I didn't know that person had drunk so much.

そんなにたくさんタバコを吸わない方がよい。

You shouldn't smoke so many cigarettes.