expression, ichidan verb
threaten; make threats
A set phrase meaning to issue a threat or to intimidate someone verbally. Often used in contexts of coercion or warning of harm.
See also: 掛ける (かける)
彼は私に「やめなければ痛い目にあうぞ」と脅しをかけた。
He threatened me, saying, 'If you don't stop, you'll get hurt.'
強盗は店員にナイフを見せて脅しをかけた。
The robber threatened the clerk by showing a knife.