1 not to be concerned

2 regardless of

3 no matter

1 population

2 people

1 despite

2 although

3 even though

4 in spite of

5 unhesitatingly

6 do not hesitate (to ask, complain etc)

7 (go ahead and do it) without hesitating

1 entrance

2 to import

1 mouth

2 classifier for things with mouths (people, domestic animals, cannons, wells etc)

3 classifier for bites or mouthfuls

1 (idiom) reluctant to speak about it

2 tight-lipped

1 out of breath (idiom)

2 to gasp for air

1 to be impervious to reason (idiom)

2 unreasonable

1 not understanding things (idiom); devoid of sense

1 to completely ignore (idiom)

2 to pay no attention to

3 not to be in the least concerned about