1. to cling to, to hold on to, to hold fast to
2. to grapple
3. to set about doing, to begin, to commence, to undertake
4. to possess (someone; of an evil spirit, idea, etc.), to take hold of, to haunt
5. to obtain a clue, to get a lead
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although