[鱼沉雁杳 / 魚沉雁杳, yú chén yàn yǎoㄩˊ ㄔㄣˊ ㄧㄢˋ ㄧㄠˇ] lit. the fish sinks, the goose vanishes into the distance (成语 saw); a letter does not arrive; lost in transmission
[ひらおろし, hiraoroshi] (n) strong local wind blowing around the Hira mountains in Shiga prefecture (sinks boats on the lake and stops trains of the Kosei Line)