What is the expression that means : Try to stop crying

Sometimes, when I get emotional. I get in a situation when only talking can lead in a burst of tears, so I try to prevent it and I feel like crying is on hold inside my throat.

Is there an expression in English that sums it up? or a sentence that describes it well?

I hope I could define well the situation. Thank you.

choke back tears. MacMillian also suggests, choke down.

Ms Ross choked back tears as she described what had happened.

Fight back your tears

fight back: to struggle to repress

She tried to fight back her tears
_{The Free Dictionary}

Blink back your tears

blink back one's tears (fig): to try to keep from crying

She blinked back her tears and went on
_{The Free Dictionary}

Get a grip!

get a grip (on yourself): (spoken) control your emotions.

Oh, get a grip, Tess! It's really not as hard as you think
_{Cambridge Dictionary of American Idioms}