shaking/unsteadiness of the hands, especially when filming

wet hands

(literally) to take or put one's hand out / (figuratively) to try to participate in; to foray into; to try one's hand at / (figuratively) to attack (in a fight)

pistol; gun

man of ability

(idiomatic) to rest, to take a break (from work, study, etc...)

hand singals

Alternative form of 禁じ手

(shogi, sumo, go) A foul or forbidden move / (in general) prohibited move

to lead someone by the hand ("pull someone's hand") / to withdraw (from a deal) ("pull one's hand away")