确保: to ensure, to guarantee...
使: to make, to cause, to enable, to use, to employ, to send, to instruct sb to do sth, envoy, messenger...
歌手: singer...
屡次: repeatedly, time and again...
方便: convenient, suitable, to facilitate, to make things easy, having money to spare, (euphemism) to relieve oneself...
饺子: dumpling, pot-sticker...
流感: flu, influenza...
中奖: to win a prize, a successful gamble...
班长: class monitor, squad leader, team leader...
迟: late, delayed, slow...
