save sb from sth/doing 百度上有人说省得某人做某事挽救某人做某事避免某人做某事使某人免受某事虽然意思差不多但求最精确的答案

请问save sb from doing sth是啥意思 save sb.from sth.和save sb.from doing sth.是一样的吗?两个的意思是什么 protect sb./sth.from sth. get sth from sb steal sth.from sb.（造句) protect sb from sth 等于 allow sb from sth./doing sth 例句 造句：buy sth for sb from sb Sb keep sb from doing sth造句 save有save sb time doing sth 和 save time to do的用法吗 learn sth from sb 还是learn sth for sb get sth.from sb.能否写为get sb.sth. keep sb./sth from sth.与protect sb/sth from sth含义一样吗? prevent keep sb/stop/sth from sth doing sth造句 learn doing sth from sb.的疑问是learn doing sth from sb 还是learn to do sth from sb? stop sb from doing sth 是什么意思? stop sb. from doing sth.等于什么 用buy sth.from sb.怎么造句