be (walking/treading/skating) on thin icePROBLEMto be in a situation in which you are likely to upset someone or cause trouble 处境不妙,很可能招惹麻烦 I was on thin ice, and I knew it. 我当时处境不妙,我知道的。
be (walking/treading/skating) on thin ice• It had been granted grudgingly and she knew she was on thin ice as far as her superiors were concerned.• He was on thin ice before.
→ be (walking/treading/skating) on thin ice at thin1(5)