start up

IPA(Pronunciation)

intransitive transitive colloquial

(intransitive) To rise suddenly. / (transitive, intransitive) To begin to operate. / (intransitive, colloquial) To begin.

Japanese Meaning

急に上昇する / 作動し始める、運転または機能を開始する / 始まる、開始する

They start up at the slightest sound.

彼らはわずかな物音でぱっと飛び上がる。

Sense（1）

(intransitive) To rise suddenly.

He started up when he heard the scream.

Sense（2）

(transitive, intransitive) To begin to operate.

The four of them started up a law practice.

Sense（3）

(intransitive, colloquial) To begin.

They started up playing.

starts up

（ present singular third-person ）

starting up

（ participle present ）

started up

（ participle past ）

started up

（ past ）