た[方「ほう」]がいい => It would be better to A N4
Can, Should, Must
て仕方がない/てしょうがない => can't help but; very; extremely ~ N2
たいがい => in general N2
Repetition, habit
ない[方「ほう」]がよい => It would be better to not A N4
Can, Should, Must
てしょうがない/てしかたがない => Very A; Really A; Extremely A N2
Degree, Level, Amount
...たいんですが => want N4
How to say the beginning
~としたことが => ~ surprised N1
Surprised
~がほしい => I want ~ N5
Asking and Telling
がたい => very difficult to; hard to ~ N2
たいして…ない => ~is not much of~ N3
Emphasis on degree
~がほしいです => to want something N5
~たいしたことはない => trivial,not amounting to much N1
Emphasize the negative meaning