聚精会神: concentrate one's attention (and energy) on; be absorbed; be all attention; concentrate one's mind on; direct one's energies to; gather one's wits; rivet [focus] one's attention on [upon];
全神贯注: give one's whole attention [mind] to ...; apply [bend] the mind to ...; be absorbed [engrossed] in ...; be preoccupied with; concentrate the whole energy upon ...; give one's mind wholly t
