en_tn_lite_do_not_use/1sa/28/05.md

he was afraid, and his heart trembled very much

These two phrases mean basically the same thing and emphasize the intensity of his fear. Here Saul is referred to by his "heart." Alternate translation: "he was terrified" (See: rc://en/ta/man/jit/figs-synecdoche and rc://en/ta/man/jit/figs-parallelism)