急上昇

1. Origins, structure, and basic meaning

• Structure: The written form is 急上昇, read きゅうじょうしょう. Elements for suddenness and rise combine to denote a rapid increase in a value or level of interest.
• Basic usage: 気温が急上昇する describes a sharp temperature increase, while 関心が急上昇する describes interest surging after a video is shown.

2. Common pitfalls and similar expressions

• Temperature rising sharply before noon
  • The temperature rises sharply during the period before noon. Example: 気温が昼前から急上昇した。 — The temperature rose sharply before noon.
• Interest surging after a video
  • Interest in the work surges after the video is presented. Example: 映像が紹介されると作品への関心が急上昇した。 — Interest in the work surged after the video was shown.