vt.大声讲(毫无顾虑地说出)
Examples:
1.Would you please speak up?
请讲大声点好吗?
2.She's no shrinking violet always ready to speak up for herself.
她可不胆小--任何场合都能为自己说话.
3.It's time to speak up for those who are suffering injustice.
现在该为蒙受不公正对待的人们大声疾呼了.
4.If you believe in a cause,speak up for it; don't always be on the defensive.
如果你信仰一种事业的话,你就大胆为之辩护,不要总是处于守势.