be (as) right as rain

US /bi əz raɪt əz reɪn/
UK /bi əz raɪt əz reɪn/
"be (as) right as rain" picture
1.

完全に元気である, すっかり回復している

to be completely well or healthy again after an illness or injury

:
After a good night's sleep, I'll be as right as rain.
ぐっすり眠れば、私は完全に元気になります
The doctor said he'd be as right as rain in a few days.
医者は彼が数日で完全に元気になりますと言った。