[合「あ」]う => To do A together/mutually N4
Secondary Verb
~たり~たりする => Do things like V1,V2 N5
Verb suffixes
にひきかえ => In contrast to A N1
Comparison/ Exchange
たりとも => (Not) Even A N1
(Not)only , (Not) even
の+ [至「いた」]り => Very A N1
Degree/ Level/Amount
にたる,にたりる => Enough to/for A, Sufficient for A, Worthy of A N1
Need/Requirements
にわたって/にわたり => Over the course of A (continuous action), Throughout A N2
Time, Situation
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
たいばかりに => B is done solely because of A N2
Reason, Result, Response
を[頼「たよ」]りに => With the help of A; thanks to A N2
Based, Focused, Depending on
にあたって/にあたり => At the time of A (which starts now).., on the occasion of A N2
Time, Situation
といったらない/といったらありはしない => Extremely A, Very A, A beyond description N1
Degree/ Level/Amount