Translation guide
For the exercise machine, use トレッドミル or ランニングマシン. For the figurative meaning of monotonous routine, use 単調な繰り返し or similar expressions.
Referring to the piece of gym equipment for walking or running in place.
The most common and direct loanword for 'treadmill'. Widely understood in fitness contexts.
ジムでトレッドミルを使った。
I used the treadmill at the gym.
Another common term, literally 'running machine'. Often used interchangeably with トレッドミル.
新しいランニングマシンを買った。
I bought a new treadmill.
Describing a repetitive, boring, or unending task or lifestyle, often with a negative connotation.
Literally 'monotonous repetition'. A natural way to express the figurative sense of a treadmill-like routine.
毎日が単調な繰り返しだ。
Every day is a treadmill of monotony.
A less common term, sometimes used for home treadmills. May be understood but not as standard.
家にルームランナーがある。
I have a treadmill at home.
Means 'repetition of the same thing'. Common and easily understood.
仕事は同じことの繰り返しで飽きる。
Work is a treadmill of the same tasks; I get bored.
Literally 'endless routine'. Conveys the feeling of being stuck on a treadmill.
終わりのないルーティンから抜け出したい。
I want to escape this treadmill of endless routine.