Mr. Afshari has become sullen and withdrawn, his children said.

Boyle did not answer; his face had become sullen.

The Germans who were rejoicing in the streets in 1990 have since become sullen and resentful.

Here the y lived in isolation, becoming sullen, bored, and lazy.

Alinor was deeply afraid and withdrew into himself, becoming sullen, speaking to no one.

Salveter had become sullen, and before he could answer Vance went on.

Forrest, typically, became sullen and wanted to drive to Memphis.

The humiliated and neglected boy has become sullen, shy and awkward.

The small pointed face had become sullen and withdrawn.

Here they lived in isolation, becoming sullen, bored, and lazy.