N1
ものと思う
Think that, Believe that, Expect that, Have confidence that, Absolutely
あれ
ぐらい
の
もの
と
思う
が
な
…
…
I think it's about that level/amount... (implying uncertainty or mild dismissal)
N2
というものでもない
There is no guarantee that…, Not necessarily
N2
つもりで
With the intention of doing, Instead of..., Act as if or pretend, Believing that..., Thinking that...
N2
と考えられる
Can be considered as, Is thought to be, One can think that, It is conceivable that
N2
ものか
Definitely not, Absolutely not, Impossible, Do you really think~?
N3
とは限らない
Not necessarily so, Is not always true, There is no guarantee that