(idiomatic) To forcibly prevent oneself from speaking, especially in order to avoid saying something inappropriate or likely to cause a dispute.

(law, informal) the concept that a dog is not considered dangerous until it has bitten someone.

(idiomatic) Full of big talk but lacking action, power, or substance; pretentious. / (idiomatic) Often making cutting remarks, but having a gentle personality underneath.

(informal, idiomatic, rare) A wake-up call, a reality check.

(slang) To die. / (slang) To break down; to be impossible to repair or not worth repairing. / (idiomatic) To perform poorly; to fail. / (slang) To be unpleasant or undesirable.

(idiomatic) To forcibly prevent oneself from speaking, especially in order to avoid saying something inappropriate or likely to cause a dispute.

Be patient and friendly toward people who are learning a new technology.

Spirillosis, or sodoku, transmitted by the gram-negative coiled rod Spirillum minus, found in Asia.

(medicine) a kind of fever caused by a tick bite

(historical) To express defiance by putting one's thumbnail into one's mouth and knocking it against the teeth.