A place for exercise and strength training (gym, fitness club) or a sports hall; often refers to a paid membership fitness facility.
毎週火曜と木曜は仕事の後にジムでトレーニングしている。
I train at the gym after work every Tuesday and Thursday.
新しいジムに入会すると初月は割引になることが多い。
When you join a new gym, the first month is often discounted.
ジムでストレッチを十分に行ってから重りを上げよう。
Do plenty of stretching at the gym before lifting weights.
週末はジムが混むので早めに行ったほうがいい。
The gym gets crowded on weekends, so it's better to go early.