cá

Definitions

Noun:
- Fish: A cold-blooded vertebrate animal that lives in water, breathes through gills, and moves using fins. This is the primary and most common meaning.
- Click, pawl: A small, rigid piece (often metal) that engages with the teeth of a ratchet wheel, allowing it to turn in only one direction. Common in mechanisms like a bicycle freewheel.
- Steel tip, toe plate: A piece of metal (usually iron or steel) attached to the heel or sole of a leather shoe to prevent wear.
- Tenon, key (woodworking): A small, often wedge-shaped, piece of wood used to lock a mortise and tenon joint tightly, such as in a coffin.
Verb (colloquial):
- To bet, to wager: To place a bet or make a wager on an outcome.

Usage Examples

Noun (Fish):
- Cá nước ngọt sống ở sông và hồ. (Freshwater fish live in rivers and lakes.)
- Chúng tôi thích đi câu cá vào cuối tuần. (We like to go fishing on weekends.)
Noun (Pawl/Click):
- Cá của líp xe đạp bị gãy nên xe không thể đạp được. (The bicycle freewheel's pawl is broken, so the bike cannot be pedaled.)
Noun (Toe plate):
- Thợ sửa giày đóng một miếng cá mới vào gót giày của tôi. (The cobbler nailed a new steel tip onto the heel of my shoe.)
Verb (To bet):
- Họ cá với nhau xem đội nào sẽ thắng. (They bet with each other on which team would win.)

Advanced Usage

"cá chậu chim lồng": Literally "fish in a bowl, bird in a cage." An idiom meaning a life without freedom, a confined or restricted existence.
"cá lớn nuốt cá bé": Literally "big fish swallow small fish." An idiom describing a situation where the powerful dominate or exploit the weak; the law of the jungle.
"như cá gặp nước": Literally "like a fish meeting water." An idiom meaning to be in one's element, to be perfectly suited to a situation, or to be very happy and comfortable.
"như cá nằm trên thớt": Literally "like a fish lying on the cutting board." An idiom meaning to be in a critical situation, to be at someone's mercy, or to be helpless.
"bắt cá hai tay": Literally "to catch fish with both hands." An idiom meaning to try to do two things at once, often leading to failure; to chase two hares at once.

Variants and Related Words

Synonyms

Cá (nghĩa con vật): Tôm cá (seafood, general), thủy sản (aquatic products), hải sản (seafood).
Cá (nghĩa đánh cuộc): Đánh cược, đặt cược.

Related Phrases/Idioms

"Ăn cá trả xương": Literally "to eat the fish and return the bones." To enjoy the benefits but avoid the responsibilities or difficulties.
"Có cá đổ vạ cho cơm": Literally "with fish, one blames the rice for being eaten too much." An excuse for one's actions, blaming an external factor.
"Nước đục thả câu": Literally "to fish in troubled waters." To take advantage of a confused or chaotic situation for personal gain.

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