英和和英

a laughable affair―a ludicrous mistake―ridiculous conduct

to be about to laugh

Let's smile.

howl with laughter

to laugh loudly―roar with laughter

Please smile.

a disposition to laugh

a horse-laugh

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

the act of laughing

to laugh at someone

bust out laughing

have a merry laugh

I can not but laugh―can not help laughing―can not keep from laughter.

to titter

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

It is simply ridiculous

to make fun of

cannot repress laughter

to laugh heartily

of laughing, in a silly manner

to laugh a little

in fits of laughter

to force a laugh

Try to smile.

to laugh a matter away

Fie upon you!

was laughed at；were laughed at

a ridiculed person

burst into laughter