重おも荷に

noun

heavy load; heavy burden; heavy freight

Concrete use for something physically heavy that is carried, borne, or transported. The reading おもに is the ordinary one; じゅうか is much less common and sounds more technical or freight-related.

• 馬うまは重おも荷にを背せ負おって山やま道みちを進すすんだ。

  The horse went along the mountain path carrying a heavy load.

noun

heavy responsibility; mental burden; encumbrance

Only with reading おもに

Figurative use for a responsibility, obligation, worry, or relationship that feels emotionally or practically oppressive. Common in patterns such as 重荷になる and 重荷を背負う.

• 家か族ぞくを養やしなう責せき任にんが、彼かれには大おおきな重おも荷にだった。

  The responsibility of supporting his family was a heavy burden for him.

• その約やく束そくは彼かの女じょの重おも荷にになっていた。

  That promise had become a burden to her.