commend sb upon one's diligence

英 美
  • commend v.推荐;称赞;嘉奖;把...托付给
  • diligence n.勤奋
  • SB abbr.同时广播(=simultaneousbroadcast)abbr.理学学士(=ScientiaeBaccalaureus)
  • upon prep.在...上;紧接着;逼近