speak up

US /spiːk ˈʌp/
UK /spiːk ˈʌp/
"speak up" picture
1.

大声说, 提高嗓门

to speak more loudly

:
Could you please speak up? I can't hear you.
你能大声点吗?我听不见。
The teacher asked the students to speak up so everyone could hear.
老师要求学生们大声说话,以便每个人都能听到。
2.

发声, 表达意见

to express one's opinion or concerns, especially when it is difficult or risky

:
It's important to speak up for what you believe in.
为你的信仰发声很重要。
She decided to speak up about the injustice she witnessed.
她决定说出她所目睹的不公。