He is good at making tetrahedral kites.

He got a Big Four Winds in Mahjong.

He won the mahjong game with an amazing four kongs.

He is always grumbling about trivial things, it's really annoying.

My new four-wheeled vehicle is very fast.

My new four-wheeled vehicle is very fast.

He goes to the gym every day to train his quadriceps.

He made a model of a regular tetrahedron.

He read the Thousand and One Nights and was drawn to the charm of the Orient.

He said, 'Each person has one life, like a pike or a shrimp,' and decided to live his life with care.