1 not to be concerned

2 regardless of

3 no matter

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 psychology

2 mentality

1 to arrange

2 to tidy up

3 to sort out

4 to straighten out

5 to list systematically

6 to collate (data, files)

7 to pack (luggage)

1 texture

2 grain (of wood)

3 inner essence

4 intrinsic order

5 reason

6 logic

7 truth

8 science

9 natural science (esp. physics)

10 to manage

11 to pay attention to

12 to run (affairs)

13 to handle

14 to put in order

15 to tidy up

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

1 to offend Heaven and reason (idiom); bloody atrocities that cry to heaven

2 outrageous acts

1 sensible and reasonable (idiom)