He has a gun.

To nitpick or find fault with something.

Among the twelve zodiac animals, he particularly likes the animal of the year he was born.

They advanced in a column.

He fell into a critical condition due to an accident.

Every morning, when it's time to commute, this road always jams.

He was seriously ill and was immediately taken to the hospital.

Flexibility is necessary for success.

December is the month of Christmas.

He is assigned to an important post in that company.