noun
usual practice; old trick; modus operandi; same old tactic
Refers to a person's habitual method or tactic, often with a slightly negative or critical nuance when describing a repeated trick or scheme.
彼の常用手段は、まず相手を褒めてから頼み事をすることだ。
His usual tactic is to first compliment the other person and then ask a favor.
またその常用手段か。いい加減学習したらどうだ。
That old trick again? Why don't you learn your lesson already?