After a few moments' consideration, he began to speak.

他想了片刻后开始讲话。

《牛津词典》

He began to speak first.

他开始先说话了。

youdao

He began to speak but suddenly stopped.

他开始讲话，但又突然停住了。

youdao

The crowd was cheering wildly when the white curtain at the window of his apartment was parted, and Francis appeared, but fell into rapt silence when he began to speak.

NPR: Pope Wades Into Crowd Before 1st Window Appearance

Then the Archbishop began to speak, he stays seated in a massive circle of over 50 chairs and without notes he tell us how impressed he is with the work he has seen in Burnley.

BBC: Lancashire - When the Archbishop met Joe Wilson

He was the last to speak and as soon as Joel started talking sparks began flying.

FORBES: Beating The Banks In Los Angeles With An Awesome Brand