汉语的四字成语或结构用英语怎么说？（续）
轻如鸿毛 as light as a feather
沧海一粟 a drop in the ocean
混水摸鱼 to fish in troubled waters
油腔滑调to have a well-oiled tongue
漆黑一团 to be completely in the dark
毛骨悚然 to make the hair stand on end
空中楼阁 castles in the air
火上浇油 to add fuel to the flames
大开眼界to open the eyes of a person
瞬息之间in the twinkling of an eye
晴天霹雳 a bolt from the blue
全心全意heart and soul
了如指掌 to know something(somebody) like the palm of one's hand
露出马脚to show the cloven foot/to show the cloven hoof
feather羽毛。castle城堡。flame火焰。twinkling 瞬间，霎时。
bolt闪电，霹雳。blue n.天空。palm手掌，手心。cloven hoof偶蹄。
