He pursued the path of Zen and finally achieved enlightenment.

After many years of training, he finally entered a stage of enlightenment.

I often play golf on weekends.

We go to the playhouse to watch a play on the weekends.

We spent the night in a mountain hut.

He mixed coffee and milk.

I like solving Tsumego problems.

We need to combine these data.

We have a responsibility to protect this world.

Ex post facto laws pose a problem for a fair legal system.