際に/際/際は => occasion, time N2
合う => do something together N3
に関わらず/に関わりなく => in spite of; regardless of ~ N2
[際「さい」]して/に([際「さい」]し)/に[際「さい」]しての => At the time of A (which starts now).. N2
Time, Situation
に関して => about; regarding; related to ~ N3
~こと請け合い => I guarantee ... N1
Happens next
を契機に => as a good opportunity/chance to N2
Expected
[合「あ」]う => To do A together/mutually N4
Secondary Verb
に際して => on the occasion of; at the time of ~ N2
を[機「き」]に => Use A as an opportunity N1
Time, Situation
場合(は) => in the event of; in the case that ~ N4
~ににあわず (に似合わず ) => ~Different from N1
Evaluate