dam up a stream, river, etc

gate; door gate; water gate

brake; switch

(noun) gate or door gate

ticket gate (for the MTR)

to enter the gate (of MTR)

to enter the gate, especially in the metro; horses to enter the gate before a race begins; to participate in the election

gate; sluice gate (on waterways)

(noun) gateway

lock gate, sluice gate (on waterways)

choke; inlet

slide open the gate

loser in financial/property market (see Note 2)

mitten crab; Chinese hairy crab (see Note 1)

Hairy crab; the Chinese mitten crab; to describe a situation where one has money tied up in shares that have made a big loss in the trading market

closing the gate

(to close the gate and unleash the dogs to ward off burglars); to express that a place is closed and visitors are not welcome; a phrase used for telling coworkers that it's time to lock up soon so that they should hurry and finish what they are doing; a phrase used to warn those who come asking for trouble to watch out and be careful of their actions; to pull down the shutters and finish for the day [colloquial]

rush to get a head start or be the first one out at the starting gate

to race to be the first to get something or to do something

folding gate

used to tell someone to quit speaking about sth unlucky (lit., "close gate")

(expression) literally: "stop it"; usually people say it in an attempt to prevent the unlucky things described / predicted by other people from occurring in reality,similar to how "touch wood" is used in English

iron gate

a side (flood)gate

a roller shutter (on storefronts); a rolling gate

noun; roller shutter, gate

(horse racing etc.) starting gate

of another persons inauspicious words to rebound of of you

not going to let you go; lit. lock the gates and let the dogs loose

to tilt to one side

literally: to exit the barrier [written and colloquial]; for a prostitute to finish serving a client [colloquial] [written and colloquial]

to shut / close the gate; to stop work for the day; to pull down the shutters [colloquial]