C

[circumstances alter cases]  {formal}

The way things are, or happen, may change the way you are expected to act.

* /John's father told him never to touch his gun, but one day when Father was away, John used it to shoot a poisonous snake that came into  […]

[circus]

See: [THREE-RING CIRCUS].

[citizen]

See: [SENIOR CITIZEN].

[civil]

See: [KEEP A CIVIL TONGUE IN ONE'S HEAD].

[claim]

See: [STAKE A CLAIM].

[claim check]  {n.}

A ticket needed to get back something.

The man at the parking lot gave Mrs. Collins a claim check.

The boy put the dry cleaning claim check in his billfold.

* /The man told Mary the pictures would be ready Friday and gave  […]

[clam up]  {v.},  {slang}

To refuse to say anything more; stop talking.

[clamp down]  {v.},  {informal}

To put on strict controls; enforce rules or laws.

After the explosion, police clamped down and let no more visitors inside the monument.

The school clamped down on smoking.

* /When the crowds became bigger and  […]

[class]

See: [HIGH-CLASS], [SECOND CLASS].

[clay]

See: [FEET OF CLAY].