There were a few words and phrases there which you can use when talking about feelings and opinions.
mì-chinnteach (adj)
uncertain
iomagain (f)
anxiety
mì-chinnt (f)
uncertainty
nàire (f)
shame
tàmailt (f)
shame, embarrassment
(an t-)eagal (m)
(the) fear
aithreachas (m)
regret
teagamh (m)
doubt
glac (v)
catch
Let’s look at some of them again in context.
Tha mi gu math mì-chinnteach às
I am very unsure of him
Ghlac e mo shùil
He caught my attention (my eye)
Bha drèin air
He had a frown
Thàinig plìon air aodann
A smirk came over his face
… gun robh an t-eagal orm roimhe
… that I was frightened of him
Bha iomagain orm
I was anxious
duine caran diùid, sàmhach
kind of shy, quiet man
duine carach, neònach
shifty, odd man
Cha robh sgeul air aithreachas no tàmailt no nàire air aodann
There was no sign of regret, embarrassment or shame on his face
Let’s add some words to our list.
amharas (m)
suspicion
gràin (f)
hate
gaol (m)
love
gràdh (m)
love
cianalas (m)
homesickness
bròn (m)
sadness
fearg (f)
anger