でも[差「さ」]し[支「つか」]えない => It's OK if A, it doesn't matter if A N1
Need/Requirements
にひきかえ => In contrast to A N1
Comparison/ Exchange
だろうと[思「おも」]う => I think probably A N4
Sentence Endings
ようと[思「おも」]う => I think I will A N4
Causative, Passive, Volitional
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
かと[思「おも」]ったら/かと[思「おも」]うと => Athough A, B., As soon as I noticed A, B, almost immediately after A, B N2
Time, Situation
と[思「おも」]いきや => Even though A (was thought/expected), different result B N1
Contrast/Surprise
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
し(~し) => and ... N4
Cause and Effect
らしい => Seem to~ N4
Sentence Endings
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
もし~としても => Even if A... (chances of A are pretty low) N3
Not only, Not even