1. to drink, to gulp, to swallow, to take (medicine)
2. to smoke (tobacco)
3. to engulf, to overwhelm
4. to keep down, to suppress
5. to accept (e.g. demand, condition)
6. to make light of, to conceal
1. while, during, as
2. while, although, though, despite, in spite of, notwithstanding
3. all, both
4. as (e.g. "as always", "as long ago"), in (e.g. "in tears")
5. while doing something else (at the same time)