expression, godan verb (-ku)
start using; get to use something new
Often used when someone begins to use a new tool, resource, or method, implying a first-time or initial engagement. Can carry a nuance of finally getting around to using something.
新しいパソコンにまだ手が付いていない。
I haven't started using the new computer yet.
彼はついにその資料に手が付いた。
He finally got around to using that reference material.
expression, godan verb (-ku)
get sexually involved with a female subordinate
Euphemistic or indirect expression for a superior becoming sexually involved with a female subordinate. Often implies an abuse of power or inappropriate workplace relationship. Rare and context-specific.
上司が部下に手が付いたという噂が流れた。
Rumors spread that the boss got sexually involved with a subordinate.