英和和英

was laughed at；were laughed at

was laughing；were laughing

in fits of laughter

I laughed.

I laughed

to laugh loudly―roar with laughter

I laughed heartily.

to be about to laugh

to laugh a little

He laughed loudly―burst into loud laughter.

Let's smile.

howl with laughter

I rolled about in convulsions of laughter

a roar of laughter

gave an uneasy laugh

emotional activity caused by object (derision; laugh at, ridicule, sneer, mock etc.)

a horse-laugh

cannot repress laughter

to laugh at someone

to laugh a matter away

to laugh to oneself

the act of laughing

Fie upon you!

A laugh slipped out.

I laughed a lot

to get laughed at―make oneself ridiculous―expose oneself to ridicule

It is simply ridiculous

I am weak and limp with laughing.

Laughed a lot

a forced smile