to cross a bridge;

to dip noodles in soup

take advantage of; play a trick on; con

to avoid trouble and responsibility (spoken)

to abandon one's friends when one is finally safe (after a crisis) (lit., "to dismantle the bridge after crossing")

describes a situation where a person doesn't reciprocate the help of others and is ungrateful to those who helped him/her

a type of Yunnanese noodle, so named because a woman invented/created this special kind of noodle while crossing a bridge

a special form (Yunnanese cuisine) of preparing noodles.