simultaneously, at once, at the same time / on the other hand

アボガドロ定数: the Avogadro constant

恐喝: to intimidate, to threaten; to blackmail / 脅喝: to intimidate

Used other than figuratively or idiomatically: see 轆轤, 回す. / (figuratively) to make a similar pose with both hands, used when explaining something during a speech or similar event