单词	labor in vain
释义	labor in vain 徒劳,白费力气
随便看	nailing up nailing ya Nail in the coffin nail iron nailist nailists nail it nail Jell-O to a tree nail joint nail knot nail knots nailless naillike Nailloux nail lunula nailly nail machine nailmake nail-maker nailmaking nail-making nail making machine nail making machines nail-makings nail making wire 少年夫妻老来伴少年夫妻老来伴，一天不见问三遍少年子弟江湖老少年学书复学剑，老大蹉跎双鬓白少年安得长少年，海波尚变为桑田。少年心事当拏云。少年心事当拏云，睡念幽寒坐呜呃少年心事当拏云，谁念幽寒坐呜呃。少年心事当拿云。少年心事当拿云，谁念幽寒坐呜呃。錟錠錡錢錦錨錫錮錯錳