Difficult points mean that the two sides are at daggers drawn in quarrels, struggles, competitions, etc. And it's hard to separate. Sometimes it is also described that the relationship between the two sides is very close and inseparable.
The lotus root is broken, but there are still many wires connected. Metaphor is not completely cut off More refers to the love between men and women.
Just like a shape and its shadow, it is inseparable. Describe each other's close relationship, often together.
Inseparable is as inseparable as a shape and its shadow. Describe each other's close relationship, often together.
Yiyi bid farewell to Yiyi: a nostalgic look; Farewell: reluctant to part. Describe nostalgia, reluctant to go.