ㄖㄨˊㄌㄩˇㄅㄛˊㄅㄧㄥbīng

  1. 好像比喻處事謹慎小心詩經·小雅·小旻》:戰戰兢兢如臨深淵如履薄冰。」·曹操荀彧〉:陛下左右如履薄冰。」如履如臨」。小心翼翼戰戰兢兢如臨深淵

lit. as if walking on thin ice (idiom)​, fig. to be extremely cautious, to be skating on thin ice