as timid as a mouse be a coward as timid as a hare cannot say boo to a goose
He is a strange little mouse, never said anything.
他竟然胆小如鼠, 一句话都没说。
—— 给力词典精选He remained a mouse in public affairs.
在公众事务上他依然胆小如鼠。
—— 给力词典精选As a result, he had become the soul of caution.
结果, 他就变得胆小如鼠。
—— 辞典例句He was a pleasant North countryman, small , almost mousy, with white hair and black eyebrows.
他来自北部乡村, 生性活泼,个子矮小, 鹤发浓眉,胆小如鼠。
—— 辞典例句He bellows like a bull, but is weak as a bulrush.
气壮如牛, 胆小如鼠。
—— 给力词典精选