他患了严重的流感，尚未痊愈。He was recovering from a severe bout of flu.没多久，我的肺脓肿就痊愈了。Before too long my lung abscess healed up.他一直受到治疗和护理直到痊愈.He was given treatment and cared for until he recovered....
如不努力工作, 你就一事无成.If you don't work hard, you'll end up nowhere.她抱怨他工作不努力.She complained that he did not work hard.如果你不努力争取,你就得赔偿.Unless you push your claims you'll get no satisfaction....