不翼而飞形容运行或传播迅速。例原来是“梁永生大闹黄家镇”的消息不翼而飞，早在这运河两岸的各个村庄传开了。——郭澄清《大刀记》英spread fast; spread like wildfire;比喻东西突然消失。例他还没有明白过来是怎么回事烧饼油条已经不翼而飞了。——老舍《四世同堂》英van[查看详情]

周而复始一圈又一圈地轮转。形容不断循环。也作“终而复始”英move in cycles;[查看详情]

不辞而别不向人告别就离开。例他不想跟她去商议他得走，想好了主意，给她个不辞而别。——老舍《骆驼祥子》英go away without saying goodbye;不辞而别匆匆离去偷偷地离开尤指未付款而离开。英quit without notice;[查看详情]

不期而遇未经约定而意外相遇。英unexpected encounter; chance on;[查看详情]

不谋而合没有经过商量而见解一致。例意见不谋而合。英happen to coincide; agree without previous consultation;亦称“不谋而同”[查看详情]

望而生畏一见之下就产生了畏惧心理。形容人态度威严或事务艰难令人畏惧。英be terrified (awed) at the sight;[查看详情]

半途而废废：停止。半路上停下来。比喻工作没做完就停止了。例君子遵道而行半途而废，吾弗能已矣。——《礼记中庸》陛下持之不坚半途而罢，伤威损费为弊必深。——韩愈《论淮西事宜状》英do sth.by halves; leave off sth.halfway; give up halfway;[查看详情]

不寒而栗不冷而发抖。指恐惧心理引起的惊抖。例是日皆报杀四百余人郡中不寒而栗。——《汉书义纵传》全身不寒而栗。英shudder with fear; tremble with fear;[查看详情]

不胫而走没有小腿却能跑。形容消息等传播迅速。英spread far and wide; get round fast; run without leg;[查看详情]

从天而降令人意想不到地突然出现或发生。例一场大火，从天而降。英very unexpectedly;[查看详情]

平心而论平心静气地评论。例平心而论他是个好人。英in all fairness;[查看详情]

悬而未决因遭搁置尚未解决。[查看详情]

铤而走险指没有办法只得冒险。英risk danger in desperation; desperate; make a reckless move; rush headlong into danger;[查看详情]

知难而进不怕困难敢于迎着困难前进。英press forward in the face of difficulties;[查看详情]

脱口而出随口说出。例话脱口而出好像在此之前他一直困难地蹩着它。英bolt; blurt out; say without thinking; let slip; blunder out;[查看详情]

不得而知无从知道。英unable to find out;[查看详情]

一蹴而就形容事情轻而易举就能完成。英expect results overnight; accomplish sth. in one move;[查看详情]

量力而行按照自己能力大小去做事。例朕当量力而行然定可否。——唐吴兢《开元升平源》英act according to one’s capability; do what one is capable to;[查看详情]

挺身而出遇险临危奋身勇出，负起重任。英step forward boldly; stand up and volunteer to help; fling oneself into the breach;[查看详情]

背道而驰朝着相反方向的道路奔跑。比喻彼此方向目标完全相反。例像背道而驰其实倒是心心相印。——鲁迅《坟》英go(run) in the opposite direction; run counter to;[查看详情]