at play
prep_phrase1
Playing, in the process of playing.
- There are children at play in the street.
2
Figuratively In action.
- Another opposition force at play is the Move Forward party – hugely popular among young Thais for its radical reform agenda.2023 May 14, Heather Chen, Kocha Olarn, “Polls close in Thailand as opposition takes on kingdom’s conservative cliques”, in CNN: