adverbial N3 common casualpolitewritten

それだけ — that much

それだけ

Meaning

that much / only that / just that — points back to an amount or thing already mentioned, either as a quantity or as the sole extent of something

それだけあれば足たりる。

That much will be enough.

Attaches to	Form	Example
Stands alone as a noun/adverb (それ + だけ)	それだけ + predicate	それだけだ / それだけで

私わたしが言いいたいのはそれだけです。

That's all I wanted to say.

努力どりょくすれば、それだけ結果けっかが出でる。

The more you work, the more results you get (that much more).

In the 'the more… the more' pattern (〜ば〜ほど … それだけ), それだけ means 'correspondingly that much.' The set phrase それだけに ('all the more so because of that') is a separate connective.

Jengo shows それだけ the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.