Select the most appropriate meaning of the given Idiom: Someone who is "Wet behind the ears"

Lacking experience or immature

The answer is ☀ Lacking experience or immature.

The idiom "wet behind the ears" means to be inexperienced or immature. It is a figurative expression that comes from the idea that a newborn baby is wet behind the ears because it has just been born and has not yet had any experience of the world. This idiom is often used to describe someone who is new to a job or situation and does not know what they are doing.

The other options are not correct interpretations of the idiom. Holding up to something means to be able to withstand something, while being sweaty or wet with sweat means to be physically hot. None of these options accurately conveys the meaning of the idiom "wet behind the ears."