青云翻译

Until he was hospitalized, and his parents knew he contracted the habit of drinking

Until he went to the hospital, his parents didn't know he was infected with drinking habits

Has been hospitalized until him, his parents only then knew he caught the custom which drinks

It wasn't until he was hospitalized, his parents knew that he had contracted the habit of drinking

Until he went to the hospital, his parents didn't know he was infected with drinking habits