1. 说话;讲话
When you speak, you use your voice in order to say something.
e.g. He tried to speak, but for once, his voice had left him...
他想说话，却一时语塞。
e.g. He speaks with a lisp...
他说话口齿不清。
及物/不及物动词讲，谈; 演说; 从某种观点来说
speak
1. speak for oneself : 为自己辩护, 发表个人意见, 说自己的事；
2. speak well of : 说...好话；
3. speak highly of : 赞扬；
4. speak out : 大胆地说；
5. speak to : 对...说话, 说到, 责备, 证明；
6. so to speak : 可以这么说, 打个譬喻说；
7. speak well for : 证明...很好；
8. speak up : 更大声地说, 大胆说出, 无保留地说出；
9. speak of : 谈到..., 论及...；
10. not to speak of : 更不用说；