하루살이

Meaning

1. 1.

   mayfly; dayfly — An insect, flying around in swarms in the evening in summer, which lives only a few hours or up to a few days.

2. 2.

   living hand to mouth; earning a scanty living; making ends meet — The act of barely managing to support oneself or earn a living; or a person living in such a situation.

3. 3.

   ephemeral; dayfly — (figurative) An extremely short-lived creature, life, regime, etc.