弱不好弄的英文是「one does not like playing while in his youth」
ruo bu hao nong
弱:年少;好:喜欢;弄:玩耍。年幼时不爱玩耍。
《左传·僖公九年》:“夷吾弱不好弄,能斗不过,长亦不改,不识其他。”