1, sleepless at night: sleeping is sleeping. This idiom describes tossing and turning at night because you have something on your mind.
2, food does not know the taste: describe something in your heart that has no taste when eating.
3. Tossing and turning: describes that I miss something or think so much that I can't sleep in bed.
4. Dilemma: Victoria Valley means a difficult situation. This idiom describes a difficult situation, whether forward or backward.