关注

to pay attention to / to follow sth closely / to follow (on social media) / concern / interest / attention

mountain pass / to close; to shut; to turn off / to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc) / to concern; to involve

to inject / to pour into / to concentrate / to pay attention / stake (gambling) / classifier for sums of money / variant of 註|注[zhu4]

to register / to annotate / note / comment