PHRASE
苦笑着忍受；默默承受
If you grin and bear it, you accept a difficult or unpleasant situation without complaining because you know there is nothing you can do to make things better.
例句
They cannot stand the sight of each other, but they will just have to grin and bear it.
他们连看对方一眼都不愿意，但是也只得默默忍受。