You cannot bring about prosperity by discouraging thrift.

　　不提倡勤儉節(jié)約就不會有繁盛。

　　Her criticisms had the effect of discouraging me completely.

　　她的批評使我完全灰心喪氣。

　　Discouraging the students' anticipation for easy rewards is matter of urgency.

　　打消學生對輕松獎勵的期待是當務(wù)之急。