cant hack it (adjective) inefficient: not working well; wasteful
Sinonime: be remembered, be repeated, come again, come and go, come back, crop up again, haunt thoughts, iterate, persist, reappear, recrudesce, reiterate, repeat, return, return to mind, revert, run through one's mind, turn back
Antonime: able,
capable,
competent,
efficient,
expert,
useful