weep, cry, sob 的区别和用法辨析及示例例句

weep: 哭泣,书面语,常指小声或无声地哭泣,有时可与cry通用。如:She wept at the sad news.(听到这不幸的消息,她哭了。)
cry: 哭,普通用语,常指出声地哭。如:The little girl cried herself to sleep.(小女孩哭着睡着了。)
sob: 抽泣,呜咽:She sobbed herself to sleep.(她啜泣着入睡了。)