磨练 Temper ; hone ; Crucible ; checkout

经过磨练的 well-tried

艰苦的磨练 school of hard knocks

经受磨练 go through the mill ; go through the hoops ; put through the mill

磨练和预备 Go Around

磨练他们的交际技能 honing their communicative skills

球队磨练员 trainer

生活磨练 school of hard rocks

磨练证书 inspection certificate

磨练自己 Hone their ; Temper their