いやいや の訳語→ no oh reluctantly wearily well yes
いやに の訳語→ apparently awfully awkwardly blamed deathly dismally disturbingly especially exaggerated extreme hard hellishly peculiarly pretty real so
そわそわと の訳語→ nervously restlessly
ばつが悪そうに の訳語→ discomfiture shamefaced sheepishly