Meaning of تکلیف in Bangla

Meaning of تکلیف in English

the cool air was a relief to my aching head
serious ills afflict the industry
a crippling affliction of the nervous system
she shut her eyes in anguish
the patient complained of discomfort in the left calf
he never missed an opportunity to disparage his competitors
she felt disquieted at the lack of interest the girl had shown
to his distress he saw that she was trembling
all that gook she kept putting on her face
the inconvenience of having to change trains
noise and fumes from traffic would inconvenience residents
noise and fumes from traffic would inconvenience residents
she telephoned frequently, usually at inconvenient times
he wrote endlessly about his frustrations and miseries
stretching after exercise helps prevent muscle soreness
he'd suffered intense pain
weapons that cause unnecessary suffering
advice for those who wish to save great sorrow and travail
Do alternative methods exist for diagnosing heart failure or enabling appropriate triage of patients for echocardiography?
he began to feel weariness