a)SPEAK A LANGUAGEused to ask someone to speak louder 大声点说,提高嗓门说〔用于要求别人〕
Could you speak up, please?
请你大声点说,好吗?
b)SAY/STATEto say something, especially to express your opinion 说话〔尤指发表意见〕
There was a brief silence, then Gerald spoke up.
一阵短暂的沉默之后杰拉尔德发话了。
c)speak up for somebodySUPPORT A PERSON, GROUP, OR PLAN to speak in support of someone 替某人说话,支持某人
He is willing to speak up for the rights of women.
他愿意为妇女权利辩护。
Examples from the Corpus
speak up for somebody• If those with insideknowledge of the facts didn't speak up for Britain, who the hell would?• Erlend, six years younger, needed some one to speak up for him, sometimes.• My captor found no reply to this, but luckily a MonsterFishMaidenspoke up for him.• He was to celebrate the inauguration in Florida speaking up for the black voters who feel disenfranchised.• Did they make fun of him for speaking up for the underdog in school?• Who actually speaks up for the vulnerable older person?• She identified with them, spoke up for them, tackled situations others had avoided.• Ella Anderson speaks up fortulips.• You'll have to learn to speak up for yourself.