この椅子いす、まだ大丈夫だいじょうぶだね。

kono isu, mada daijoubu da ne.

This chair is still fine, isn't it. casual

熱ねつが下さがったので、もう大丈夫だいじょうぶです。

netsu ga sagatta node, mou daijoubu desu.

The fever has come down, so it's all right now. neutral