如履薄冰rú lǚ bó bīngas if treading (/walking)on (/upon) thin ice—pick one’s way carefully;pussyfoot
❍ 战战兢兢，如临深渊，～。(《诗经·小雅·小旻》)❶With fear and caution should we tread,like men above some torrent’s bed,or those who go upon thin ice.
❷We should be apprehensive and careful.|As if we were on the brink of a deep gulf,|As if we weretreading on thin ice. 如履薄冰as if treading on thin ice—acting with extreme caution |