Thus,  Step down (or back) and give me a shot  was readily understood.
( Thus ( , ( ( ( ( ( Step down ) ( -LRB- ( or ( back -RRB- ) ) ) ) and ) ( ( give me ) ( ( a shot ) ( was ( readily understood ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Thus)) (, ,) (VP (VP (VB Step) (ADVP (RB down)) (PRN (-LRB- -LRB-) (CC or) (VP (VBP back)) (-RRB- -RRB-))) (CC and) (VP (VB give) (NP (PRP me)) (NP (NP (DT a) (NN shot)) (SBAR (S (VP (VBD was) (VP (ADVP (RB readily)) (VBN understood)))))))) (. .)))
Therefore, hold back and let me shoot was comprehended.
( Therefore ( , ( ( ( ( hold back ) and ) ( let ( me shoot ) ) ) ( ( was comprehended ) . ) ) ) )
(ROOT (S (ADVP (RB Therefore)) (, ,) (S (VP (VP (VB hold) (ADVP (RB back))) (CC and) (VP (VB let) (S (NP (PRP me)) (VP (VB shoot)))))) (VP (VBD was) (VP (VBN comprehended))) (. .)))