[使「し」][役「えき」][受「う」]け[身「み」] => Imperative N4
Causative, Passive, Volitional
受身形 => Passive voice N4
一体 => …the heck; …in the world; …on earth N3
~V使役受身      => causative-passive form N4
Conjugate verbs
[受「う」]け[身「み」] => Passive, be V-ed. N4
Causative, Passive, Volitional
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
[極「きわ」]み/[極「きわ」]まりない => Extremely A N1
Degree/ Level/Amount
ときとして…ない => At no time N2
Emphasize the negative meaning
ても ~きれない => No matter how much... N3
Emphasize
抜きにして/ 抜きにしては~れない => without; leaving out; cutting out ~ N2
ないと/なくちゃ/なきゃ => must do; need to; gotta do ~ N3
抜きに...れない => without; leaving out; cutting out ~ N2
Conditions (necessary conditions)