KEEP A STIFF UPPER LIP.
Keep a stiff upper lip.: translation
Keep a stiff upper lip.
Prov.Act as though you are not upset.; Do not let unpleasant things upset you. (English people are stereotypically supposed to be very good at keeping a stiff upper lip.) •
Even though he was only three years old, Jonathan kept a stiff upper lip the whole time he was in the hospital recovering from his surgery.
•Jill: Sometimes this job frustrates me so much I could just break down in tears. Jane: Keep a stiff upper lip. Things are bound to improve.