彼はその機械を動かし始めた。

he; him; his; boyfriend

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...

machine; mechanism; instrument; appliance; apparatus

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to move; to shift; to stir; to budge; to change position; to inspire; to rouse; to move (e.g. feeling); to influence; to change; to alter; to deny; to operate; to set in motion; to get going; to mobilize (e.g. troops); to mobilise; to deploy; to manage (e.g. funds)