依依不舍

依依不舍 [yī yī bù shě]

1. ■ be reluctant to part; a sense of reluctance to part from somebody; cannot bear to leave [part]; cannot tear oneself away from ...; feelings of regret at parting; hanging about one's neck; have a great [strong; invincible] attachment to ...; unable to part with each other; unable to tear oneself away from; unwilling to part from [with]:

他们依依不舍地分手了。 They parted with reluctance.