The beauty of this couplet is that it is truncated by two idioms. The idiom hesitation is used in the first part of the couplet. The second couplet uses the idiom "sobering up". Soak: concentrated oil on crispy cheese. Pour pure ghee on your head. Buddhism refers to instilling wisdom and making people fully aware. Metaphor is a great inspiration to people after listening to incisive opinions. Also described as cool and comfortable. Source: Don Gu Kuang's poem "Difficult to Walk": "I don't know if there is a slap in the face, which can make the cold head not hot."
This is a conjunction. Yes, a conjunction. This is very correct.