to come across; to run into; to meet; to hit

by chance; by coincidence; to happen to

to run into; to come upon; to meet

to meet; to run into (sb); to get together (with sb)

to meet; to hold a meeting

to touch; (fig.) to touch on (a matter)

to knock against; to bump into; to have a disagreement; to clash

(Tw) (loanword) coupon

doorstop

concentration (a pair-matching game)