YOU SAID:

Even when a balloon is half inflated, it is completely full.

INTO JAPANESE

風船は半分膨らんでいても、完全に膨らんでいます。

BACK INTO ENGLISH

Even if the balloon is half inflated, it is still fully inflated.

INTO JAPANESE

風船は半分しか膨らんでいなくても、完全に膨らんでいます。

BACK INTO ENGLISH

A balloon is fully inflated even if it is only half inflated.

INTO JAPANESE

風船は半分しか膨らんでいなくても、完全に膨らみます。

BACK INTO ENGLISH

A balloon is fully inflated even if it is only half inflated.