He tried to speak, but for once, his voice had left him.

他试图说话，但这一次，他已说不出声。

《柯林斯英汉双解大词典》

Every time he tried to speak, his throat closed up with fear.

每当他试图讲话时，他都害怕得喉咙发紧说不出话来。

《牛津词典》

I watched his fingers move slowly under each letter as he tried to speak out "Bud the Sub".

我看着他的手指在每个字母下面慢慢移动，试图说出“Bud the Sub”。

youdao

He tried but failed to speak the dead woman's name.

VOA: special.2009.10.31

Te'o said he never met Kekua face-to-face and when he tried to speak with her via Skype and video phone calls, the picture was blocked.

WSJ: Te'o Says He Was Duped

When he tried to speak, his voice trembled and tears welled.

CNN: Straight from the Heart

"He just shouted me down when I tried to speak, " she said.

BBC: Church in Kirby Cane, Norfolk