to give up (something as hopeless); to throw in the towel
measured amount (esp. of medicine); dosing; manner of seasoning; making adjustments based on experience; doing something by feel
stone knife (Jomon-period tool, shaped like a rice spoon)
habu (Trimeresurus flavoviridis); yellow-spotted pit viper
tongs (esp. for incense or for use in a Buddhist temple)
Okinawan habu (Trimeresurus flavoviridis)
Taiwanese habu (Trimeresurus mucrosquamatus)
Okinawa pit viper (Ovophis okinavensis); Ryukyu Island pit viper