grin and bear it

Fig. to endure something unpleasant in good humor. There is nothing you can do but grin and bear it. I hate having to work for rude people. I guess I have to grin and bear it.

to accept something unpleasant with good humor Bad things happen and you just have to learn to grin and bear it.

to accept an unpleasant or difficult situation because there is nothing you can do to improve it I don't want to spend the whole weekend working but I guess I'll just have to grin and bear it.

Put up good-humoredly with adversity, with good humor, as in It's no fun being sick for the holidays, but you might as well grin and bear it. Also put as grin and abide in the 19th century, this expression became so well known that Sam Walter Foss (1858-1911) made a pun on it in his poem, "The Firm of Grin and Barrett": "Never yet was any panic Scared the firm of Grin and Barrett."