开花: to bloom, to blossom, to flower, to burst open, to feel happy or elated, new development grows out...
挂失: to report the loss of something...
持有: to hold (passport, views etc)...
观测: to observe, to survey, observation (scientific etc)...
职责: duty, responsibility, obligation...
两: two, both, some, a few, tael, unit of weight equal to 50 grams (modern) or?16 of a catty (old)...
本能: instinct...