YOU SAID:
Keep a stiff upper lip
INTO JAPANESE
堅い上唇を保つ
BACK INTO ENGLISH
Keep the hard upper lip
INTO JAPANESE
硬い上唇を保つ
BACK INTO ENGLISH
Keep a hard upper lip
INTO JAPANESE
堅い上唇を保つ
BACK INTO ENGLISH
Keep the hard upper lip
INTO JAPANESE
硬い上唇を保つ
BACK INTO ENGLISH
Keep a hard upper lip
it is unlikely that this phrase will ever reach equilibrium