がちです/がちになる => A tends to become/happen/occur N2
Potential, Possibility
ないと,なくちゃ => Must do A N3
Needs, Requirement
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
たち => Plural form N5
Amount
か~ないかのうちに => Right after A, C N2
Time, Situation
うち/ないうち => While A is the case, B; While A is occuring, B, While A is not occuring, B N3
Conditional, While
ようになる/なくなる => Become… N3
Time, Situation
ちなみに => A. and/in addition/by the way, B (a little more information) N2
Information, Report
なる => To become A(N) N5
Change, cause and effect
ようになる/なくなる => Come to A (transition over time), Come to be unable to A N4
Time and Change
[最中「さいちゅう」] => In the middle of A N3
Time, Situation
[中心「ちゅうしん」]に => With A as the center N2
Miscellaneous