pack a lunch

动词 v.
中文释义

英文释义

动词 v.
  1. Used other than figuratively or idiomatically: see pack, a, lunch: prepare a packed lunch.
    — The field trip will last all day long, so you'll need to pack a lunch and wear comfortable shoes.
  2. To be dedicated and well-prepared in pursuing a goal.
    — you'd better pack a lunch if you think you'll [do X]

词形变化

packs a lunch present,singular,third-person packing a lunch participle,present packed a lunch participle,past packed a lunch past

词源

From the idea that a large and difficult task requires substantial preparation and effort. The same metaphor is at work for get up early; pack a lunch may well have come after get up early as an elaboration of the metaphor. The two phrases are often used in combination, for example, if you're planning to do X, you'd better get up early and pack a lunch.
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