(v + adv) INTRANSITIVEluigh isteach ar an obair c m uleag ortan ceann a chur síoshe buckled down and began studyingluigh sé isteach ar an obair agus thosaigh ag staidéar, chuir sé an ceann síos agus thosaigh ag staidéarwe all have to buckle downcaithfimid uile leagan orainn, caithfimid ar fad luí isteach ar an obair → see buckle