Walked on thin ice/ skate on thin ice
Acted under conditions that involve great risk with a high possibility of failure.
(Modern Hebrew)
Translation
Expression (Hebrew)
הָלַךְ עַל קֶרַח דַּק
Definition (Hebrew)
פָּעַל בִּתְנָאִים שֶׁיֵּשׁ בָּהֶם סִכּוּן רַב עִם אִפְשְׁרוּ גְּבוֹהָה לְהִכָּשֵׁל.
(הָעִבְרִית הַחֲדָשָׁה)