Lin Shu: Near, next to. It means to practice your handwriting hard.
Change when facing the enemy: change, change. Change generals before going to war.
Improvise: opportunity, situation. Respond flexibly as the situation changes.
Thirst crosses the well: fight. Only when you are thirsty can you think of sinking. Metaphor is to find a way at the last minute.
Dig a well when you are thirsty. Metaphor is not prepared in advance, just trying to find a way temporarily.
Avoid getting into trouble and drag out an ignoble existence in danger.
When soldiers are in danger, they will throw weapons. Metaphor is not prepared at ordinary times, only temporary solutions.
Deep and thin, facing the abyss, walking on thin ice. Be careful lest you lose.
Begging for Buddha's feet temporarily is to believe in Buddha in his later years for blessing, and to dig wells for thirst. Later, he was called "cramming for the Buddha's feet" because he was usually unprepared and hurried.
Fear of impending adversity: encounter, encounter; Fear: or fear. Be cautious and alert to things.
Lintong is a metaphor for boasting about wealth and striving for victory in gambling.
Not afraid of danger, not at all.