(draw) a line in the sand

US /drɔ ə laɪn ɪn ðə sænd/
UK /drɔ ə laɪn ɪn ðə sænd/
"(draw) a line in the sand" picture
1.

一線を画す, 譲れない一線を引く

to establish a limit beyond which one will not go; to set a boundary or a point of no return

:
The company decided to draw a line in the sand regarding employee benefits, stating no further concessions would be made.
会社は従業員の福利厚生に関して一線を画すことを決定し、それ以上の譲歩はしないと述べた。
I told him he could borrow my car, but I drew a line in the sand at him taking it out of state.
彼には車を貸してもいいと言ったが、州外に持ち出すことには一線を画した