十分だ

is enough

phrase Very common #1,648
is enough 十分な is used before a noun to mean “enough” or “sufficient.”
JA: この量で十分だ。
EN: This amount is enough.

会えただけで、十分だよ。

Just being able to see you was enough for me.

証明十分だと?

You think that's proof enough?

— 人生スイッチ (2014)

十分だ

That's enough.

— JUNO/ジュノ (2007)

彼の経験があればその仕事をするのに十分だ。

With his experience, he is more than qualified to do the job.

その家は小さいが、私たちには十分だ。

That house is small, but it’s big enough for us.

ああ十分だ

Ah, that's enough.

— 帰ってきたヒトラー (2015)

それだけあれば十分だ。

That’s all I need.

もういい十分だ!

That's enough! Enough already!

— どん底作家の人生に幸あれ! (2019)