KanjiJLPT N1
Mimic

mimic, aim (a gun) at, nominate, imitate

Mnemonic

Your hand copies every gesture so flawlessly that onlookers doubt which person is the original — the hallmark of a masterful mimic. The hand moves in perfect sync, sowing doubt about who is imitating whom.
Additional thoughts
Picture two hands moving like mirror images — the imitation is so precise it breeds doubt. Hand + Doubt = Mimic. The doubt is CAUSED by how good the hand's mimicry is.
Quick recall
A hand copies gestures so perfectly that all doubt who's the mimic.

Details

The keyword for 擬 is mimic. This kanji conveys the idea of imitating, emulating, or simulating something by closely copying its appearance, behavior, or qualities. It carries the sense of creating a likeness or resemblance, whether in a deliberate act of imitation or in the sense of comparing one thing to another. The character is often used in contexts involving imitation, analogy, or the drafting of something modeled after an existing form.
On'yomi
Kun'yomi
まが.い、もど.き

Used in vocab