て仕方がない/てしょうがない => can't help but; very; extremely ~ N2
[事「こと」]だ => A is necessary/good (offering advice/suggestion) N3
Needs, Requirement
事と次第によって => Depending on the progress of the situation N2
How to say the beginning
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
[事「こと」]ができる => Be able to A; can do A, Can A; be possible to A; N4
Causative, Passive, Volitional
いい => (Refuse) enough N3
Refuse
ないといい => Not doing...it's better N4
Aspiration
いっさいない => Not at all N2
Emphasize negative meaning
いない => Inside, within... N3
Scope
いちがいに…ない => Impossible... in general N2
Description
といいなあ/たらいいなあ/ばいいなあ => it would be nice if; should; I hope ~ N3
~といい~といい      => both ... and; not only ... also; whether it be ... or ~ N1