はっきり言う。の英語

to speak definitely

Speak out!

to say briefly―make a light remark

I venture to say―I shall take upon me to say―that...

to speak of something

tell an untruth

to use a common phrase―in common parlance―as the saying is

a quibble

to speak within bounds―speak within compass

to speak openly

to speak with too much self-pride

I blow him up―give him a piece of my mind.

to talk nonsense

talk volubly

the act of misstating (something)

to repeat anything

the action of making special mention of something

Don't take nonsense!

to stammer out something

to tell the plain truth 【イディオム・格言的には：】“call a spade a spade”

to hesitate to speak

To be short,

to say everything―leave nothing unsaid

plain‐spoken

to whisper soft nothings to each other

to say silly things―talk nonsense

state categorically

I will be plain with you―speak plainly―speak in plain terms―speak in plain English―call a spade a spade.

to speak plainly―speak in plain terms―speak in plain English―call a spade a spade

to say something to temporarily resolve a dispute