虻蜂取らず[abuhachitorazu] attempting two tasks simultaneously, accomplishing neither
花虻[hanaabu] hoverfly (any fly of family Syrphidae)
盲虻[mekuraabu] deerfly (Chrysops suavis)
馬虻[umaabu] horse botfly
食虫虻[mushihikiabu] robber fly (any fly of family Asilidae)

長吻虻[tsuriabu] bee fly (any insect of family Bombyliidae)
牛虻[ushiabu] Tabanus trigonus (species of horsefly)
赤牛虻[akaushiabu] Tabanus chrysurus (species of horsefly)
水虻[mizuabu] soldier fly (any fly of family Stratiomyidae, esp. species Stratiomys japonica)

緩衝[kanshou] buffered
緩衝器[kanshouki] shock absorber
緩衝地帯[kanshouchitai] buffer zone
刺衝[shishou] stabbing
衝撃[shougeki] shock

衝撃波[shougekiha] shock wave
衝動[shoudou] impulse
衝動行為[shoudoukoui] shock action
衝動買い[shoudougai] impulsive buying
衝突[shoutotsu] collision