無任感激

deeply obliged

not to have / no / none / not / to lack / un- / -less

extremely (pleased, grateful etc)

surname Ren / Ren County 任縣|任县[Ren2 Xian4] in Hebei

to assign / to appoint / to take up a post / office / responsibility / to let / to allow / to give free rein to / no matter (how, what etc) / classifier for terms served in office, or for spouses, girlfriends etc (as in 前任男友)

to feel / to move / to touch / to affect / feeling / emotion / (suffix) sense of ~

to be grateful / to appreciate / thankful

to arouse / to incite / to excite / to stimulate / sharp / fierce / violent