一体 => …the heck; …in the world; …on earth N3
に行く/に来る/に帰る => go/arrive/go back (to do something) N5
とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles