en_tn/1ki/20/22.md

strengthen yourself

"Yourself" represents by metonymy the army of the king. AT: "strengthen your forces" (See: rc://en/ta/man/translate/figs-metonymy)

understand and plan

These two words mean basically the same thing and are combined for emphasis. AT: "determine" (See: rc://en/ta/man/translate/figs-doublet)

at the return of the year

Possible meanings are 1) "in the springtime of next year" or 2) "at this time next year."