He is spending his time idly.

He seems to be enjoying his idleness.

The weather changed suddenly after the front passed.

He took over the policy of the previous president.

There is a meeting tomorrow that everyone will participate in.

The typhoon hit the whole country.

He was swimming completely naked.

In order to prevent the spread of the new coronavirus, we should avoid the three Cs.

This is a secret matter, so please don't tell anyone.

Numerology is the study of deciphering the secret meanings of numbers.