このモーターは回りが悪い。
This motor does not turn well.
making the rounds; going around to visit
Used for going from place to place for visits, work, greetings, inspections, or errands; common in compounds such as 挨拶回り and 取引先回り.
I went out to make New Year courtesy calls.
Often used for the way fire, smoke, disease, or an influence spreads through an area or group.
The wind was strong, and the fire spread quickly.
Used after a place, direction, or route to indicate going by way of that route, as in 北回り or 名古屋回り.
I headed to Osaka via Nagoya.
size; one size difference
Counter-like use for relative size, usually in expressions such as 一回り大きい and 二回り小さい.
This box is one size larger than the previous one.
12-year period; 12-year age difference
In age expressions, 一回り means one full cycle of the zodiac, i.e. twelve years; 二回り is twenty-four years.
My sister and I are twelve years apart.
This fan spins smoothly.
My job is to make rounds visiting clients.
The fire spread so fast that escaping was difficult.
I went to Tokyo via the northern route.
This shirt is one size bigger.
He is twelve years older than me.
効き目 is the general word for effect or efficacy, while 回り is limited to describing how alcohol or medicine takes hold in the body.
racing; idling; spinning without traction · going in circles; fruitless; getting nowhere
going ahead; forestalling; anticipating
yield; return; interest rate
patrol; rounds; inspection tour · watchman; patrolman
tight turn; sharp turn · adaptability; flexibility; maneuverability
supply; circulation; appearance on the market
role; part; assignment
roundabout; circuitous; indirect
one round; one circuit; one lap · one size (larger or smaller) · one cycle of the Chinese zodiac (12 years)
detour; circuitous route; diversion
rotation; taking turns
inner loop; inner track; inner lane
wide turn · detour; long way around
go around and cut in; take a roundabout path
wraparound
night watch; night patrol; night watchman
waist measurement; girth
touring; traveling around
northern route
southern route
financial circumstances; financial situation · circulation of money
subordinate work; menial tasks; underling · minor role actor (kabuki, etc.) · underside (of a vehicle)
retinue; suite; entourage
clockwise rotation; right-handed rotation
something that circulates; what goes around
taking turns; working in shifts
cornice; crown molding