Bob’s voice was tremulous when he told them this, and trembled more when he said that Tiny Tim was growing strong and hearty.
The ancient tower of a church, whose gruff old bell was always peeping slily down at Scrooge out of a Gothic window in the wall, became invisible, and struck the hours and quarters in the clouds, with tremulous vibrations afterwards as if its teeth were chattering in its frozen head up there.
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Show samples from other sources
She spoke timidly in a tremulous voice.
She tried to sound confident, but her voice was tremulous.