heavy-duty

• 形容某物专为承受高强度使用或极端条件而设计，坚固耐用；也引申指严肃、重度或强力的。

Describes something designed to withstand hard use or extreme conditions; also used figuratively to mean serious or intense.

1. Designed for heavy workB2formal

   Made to withstand hard use, stress, or extreme conditions; robust and durable.

   重型

   • The construction crew uses heavy-duty machinery for digging.
   • She bought a heavy-duty backpack for her hiking trip.
   • These heavy-duty tires are designed for off-road driving.

   同义词durableheavyindustrial-strengthrobustruggedstrongsturdytough

   反义词delicateflimsyfragilelight-duty

2. Intense or extremeB2informalamerican

   Used informally to describe something that is very intense, serious, or demanding.

   高强度的

   • The final exam was heavy-duty; it covered the entire semester.
   • He gave a heavy-duty speech about the company's future.
   • The workout was heavy-duty, leaving everyone exhausted.

   同义词demandingextremehard-coreintensepowerfulrigorousseriousseveretough

   反义词easygentlelightmild